SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------

                                 SCHEDULE 13G/A*
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13d-2(b)

                           Dick's Sporting Goods, Inc.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    253393102
                                 (CUSIP Number)

                                December 31, 2005
             (Date of event which requires filing of this statement)


     Check the appropriate box to designate the rule pursuant to which this
Schedule 13G/A is filed:
         [ ] Rule 13d-1(b)
         [X] Rule 13d-1(c)
         [ ] Rule 13d-1(d)


                              (Page 1 of 17 Pages)
----------------
     *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act
of 1934 ("Act") or otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act (however, see the
Notes).




CUSIP No. 253393102              13G/A               Page 2 of 17 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Lone Spruce, L.P.
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                               Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES        ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                58,130
OWNED BY      ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING     ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                58,130
-----------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                58,130
-----------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
-----------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                0.2%
-----------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102              13G/A               Page 3 of 17 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Lone Balsam, L.P.
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                        Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES        ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                127,568
OWNED BY      ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING     ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                127,568
-----------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                127,568
-----------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
-----------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                0.4%
-----------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102              13G/A               Page 4 of 17 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Lone Sequoia, L.P.
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                        Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES        ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                106,575
OWNED BY      ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING     ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                106,575
-----------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                106,575
-----------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
-----------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                0.3%
-----------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102                 13G/A             Page 5 of 17 Pages
------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Lone Cascade, L.P.
------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
------------------------------------------------------------------------
     (3)    SEC USE ONLY
------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                        Delaware
------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                597,711
OWNED BY       ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                597,711
------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                597,711
------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                1.6%
------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102                 13G/A             Page 6 of 17 Pages
------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Lone Sierra, L.P.
------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
------------------------------------------------------------------------
     (3)    SEC USE ONLY
------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                        Delaware
------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                48,538
OWNED BY       ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                48,538
------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                48,538
------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                0.1%
------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                PN
------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102              13G/A               Page 7 of 17 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Lone Pine Associates LLC
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                        Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES        ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                292,273
OWNED BY      ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING     ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                292,273
-----------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                292,273
-----------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
-----------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                0.8%
-----------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                OO
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102                 13G/A             Page 8 of 17 Pages

------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Lone Pine Members LLC
------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
------------------------------------------------------------------------
     (3)    SEC USE ONLY
------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                        Delaware
------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES         ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                646,249
OWNED BY       ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING      ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                646,249
------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                646,249
------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                1.8%
------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                OO
------------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102              13G/A               Page 9 of 17 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                           Lone Pine Capital LLC
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                        Delaware
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES        ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                2,303,988
OWNED BY      ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING     ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                2,303,988
-----------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                2,303,988
-----------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
-----------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                6.3%
-----------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                IA
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102              13G/A              Page 10 of 17 Pages

-----------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NO.
            OF ABOVE PERSONS (ENTITIES ONLY)
                                                 Stephen F. Mandel, Jr.
-----------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP **
                                                               (a)  [X]
                                                               (b)  [ ]
-----------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
                        United States
-----------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                                                -0-
SHARES        ---------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                                                3,242,510
OWNED BY      ---------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                                                -0-
REPORTING     ---------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                                                3,242,510
-----------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
                                                3,242,510
-----------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES **                  [ ]
-----------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
                                                8.9%
-----------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON **
                                                IN
-----------------------------------------------------------------------
                     ** SEE INSTRUCTIONS BEFORE FILLING OUT!




CUSIP No. 253393102               13G/A             Page 11 of 17 Pages

Item 1(a).     Name of Issuer:

     The name of the issuer is Dick's Sporting Goods, Inc. (the "Company").

Item 1(b).     Address of Issuer's Principal Executive Offices:

     The Company's principal executive offices are located at 300 Industry
Drive, RIDC Park West, Pittsburgh, PA 15275.

Item 2(a).     Name of Person Filing:

     This statement is filed by:
          (i) Lone Spruce, L.P., a Delaware limited partnership ("Lone Spruce"),
              with respect to the shares of Common Stock (defined in Item 2(d)
              below) directly owned by it;
         (ii) Lone Balsam, L.P., a Delaware limited partnership ("Lone Balsam"),
              with respect to the shares of Common Stock directly owned by it;
        (iii) Lone Sequoia, L.P., a Delaware limited partnership ("Lone
              Sequoia"), with respect to the shares of Common Stock directly
              owned by it;
         (iv) Lone Cascade, L.P., a Delaware limited partnership ("Lone
              Cascade"), with respect to the shares of Common Stock directly
              owned by it;
          (v) Lone Sierra, L.P., a Delaware limited partnership ("Lone Sierra"),
              with respect to the shares of Common Stock directly owned by it;
         (vi) Lone Pine Associates LLC, a Delaware limited liability company
              ("Lone Pine"), with respect to the shares of Common Stock directly
              owned by Lone Spruce, Lone Balsam and Lone Sequoia;
        (vii) Lone Pine Members LLC, a Delaware limited liability company ("Lone
              Pine Members"), with respect to the shares of Common Stock
              directly owned by Lone Cascade and Lone Sierra;
       (viii) Lone Pine Capital LLC, a Delaware limited liability company ("Lone
              Pine Capital"), which serves as investment manager to Lone
              Cypress, Ltd. ("Lone Cypress"), Lone Kauri, Ltd. ("Lone Kauri")
              and Lone Monterey Master Fund, Ltd. ("Lone Monterey Master Fund"),
              each a Cayman Islands exempted company, with respect to the shares
              of Common Stock directly owned by each of Lone Cypress, Lone Kauri
              and Lone Monterey Master Fund;
         (ix) Stephen F. Mandel, Jr. ("Mr. Mandel"), with respect to the shares
              of Common Stock directly owned by each of Lone Spruce, Lone
              Balsam, Lone Sequoia, Lone Cascade, Lone Sierra, Lone Cypress,
              Lone Kauri and Lone Monterey Master Fund.

              The foregoing persons are hereinafter sometimes collectively
         referred to as the "Reporting Persons". Any disclosures herein with
         respect to persons other than the Reporting Persons are made on
         information and belief after making inquiry to the appropriate party.




CUSIP No. 253393102               13G/A             Page 12 of 17 Pages

Item 2(b).     Address of Principal Business Office or, if None,
               Residence:

     The address of the business office of each of the Reporting Persons is Two
Greenwich Plaza, Greenwich, Connecticut 06830.


Item 2(c).     Citizenship:

     Lone Spruce, Lone Balsam, Lone Sequoia, Lone Cascade and Lone Sierra are
limited partnerships organized under the laws of the State of Delaware. Lone
Pine Associates LLC, Lone Pine Members LLC and Lone Pine Capital LLC are limited
liability companies organized under the laws of the State of Delaware. Mr.
Mandel is a United States citizen.

Item 2(d).     Title of Class of Securities:

     Dick's Sporting Goods, Inc. Common Stock, $0.01 par value (the "Common
Stock")

Item 2(e).  CUSIP Number:

     253393102

Item 3. If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or
(c), check whether the person filing is a:

          (a) [ ] Broker or dealer registered under Section 15 of the Act,

          (b) [ ] Bank as defined in Section 3(a)(6) of the Act,

          (c) [ ] Insurance Company as defined in Section 3(a)(19) of the Act,

          (d) [ ] Investment Company registered under Section 8 of the
                  Investment Company Act of 1940,

          (e) [ ] Investment Adviser in accordance with Rule 13d-1
                  (b)(1)(ii)(E),

          (f) [ ] Employee Benefit Plan or Endowment Fund in accordance with
                  13d-1 (b)(1)(ii)(F),

          (g) [ ] Parent Holding Company or control person in accordance with
                  Rule 13d-1 (b)(1)(ii)(G),

          (h) [ ] Savings Association as defined in Section 3(b) of the Federal
                  Deposit Insurance Act,

          (i) [ ] Church Plan that is excluded from the definition of an
                  investment company under Section 3(c)(14) of the Investment
                  Company Act of 1940,

          (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).





CUSIP No. 253393102            13G/A                      Page 13 of 17 Pages


If this statement is filed pursuant to Rule 13d-1(c), check the box. [X]

Item 4.   Ownership:

         A. Lone Spruce, L.P.
             (a) Amount beneficially owned: 58,130
             (b) Percent of class: 0.2% The percentages used herein and in the
rest of Item 4 are calculated based upon the 36,398,390 shares of Common Stock
issued and outstanding as of November 11, 2005 as reported in the Company's Form
10-Q filed on November 15, 2005.
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 58,130
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 58,130

         B. Lone Balsam, L.P.
             (a) Amount beneficially owned: 127,568
             (b) Percent of class: 0.4%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 127,568
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 127,568

         C. Lone Sequoia, L.P.
             (a) Amount beneficially owned: 106,575
             (b) Percent of class: 0.3%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 106,575
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 106,575

         D. Lone Cascade, L.P.
             (a) Amount beneficially owned: 597,711
             (b) Percent of class: 1.6%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 597,711
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 597,711

         E. Lone Sierra, L.P.
             (a) Amount beneficially owned: 48,538
             (b) Percent of class: 0.1%
             (c)(i) Sole power to vote or direct the vote: -0-
               (ii) Shared power to vote or direct the vote: 48,538
              (iii) Sole power to dispose or direct the disposition: -0-
               (iv) Shared power to dispose or direct the disposition: 48,538




CUSIP No. 253393102               13G/A             Page 14 of 17 Pages

         F.  Lone Pine Associates LLC
              (a) Amount beneficially owned: 292,273
              (b) Percent of class: 0.8%
              (c)(i) Sole power to vote or direct the vote: -0-
                (ii) Shared power to vote or direct the vote: 292,273
               (iii) Sole power to dispose or direct the disposition: -0-
                (iv) Shared power to dispose or direct the disposition: 292,273

         G.  Lone Pine Members LLC
              (a) Amount beneficially owned: 646,249
              (b) Percent of class: 1.8%
              (c)(i) Sole power to vote or direct the vote: -0-
                (ii) Shared power to vote or direct the vote: 646,249
               (iii) Sole power to dispose or direct the disposition: -0-
                (iv) Shared power to dispose or direct the disposition: 646,249

         H.  Lone Pine Capital LLC
              (a) Amount beneficially owned: 2,303,988
              (b) Percent of class: 6.3%
              (c)(i) Sole power to vote or direct the vote: -0-
                (ii) Shared power to vote or direct the vote: 2,303,988
               (iii) Sole power to dispose or direct the disposition: -0-
                (iv) Shared power to dispose or direct the disposition:
                     2,303,988

         I.  Stephen F. Mandel, Jr.
              (a) Amount beneficially owned: 3,242,510
              (b) Percent of class: 8.9%
              (c)(i) Sole power to vote or direct the vote: -0-
                (ii) Shared power to vote or direct the vote: 3,242,510
               (iii) Sole power to dispose or direct the disposition: -0-
                (iv) Shared power to dispose or direct the disposition:
                     3,242,510

Item 5.     Ownership of Five Percent or Less of a Class:

     Not applicable.

Item 6.     Ownership of More than Five Percent on Behalf of Another Person:

     Lone Pine, the general partner of Lone Spruce, Lone Sequoia and Lone
Balsam, has the power to direct the affairs of Lone Spruce, Lone Sequoia and
Lone Balsam, including decisions respecting the disposition of the proceeds from
the sale of shares. Lone Pine Members, the general partner of Lone Cascade and
Lone Sierra, has the power to direct the affairs of Lone Cascade and Lone
Sierra, including decisions respecting the disposition of the proceeds from the
sale of shares. Lone Pine Capital, the investment manager of Lone Cypress, Lone
Kauri and Lone Monterey Master Fund, has the power to direct the receipt of
dividends from or the



CUSIP No. 253393102               13G/A                 Page 15 of 17 Pages


proceeds of the sale of shares held by Lone Cypress, Lone Kauri and Lone
Monterey Master Fund. Mr. Mandel is the Managing Member of each of Lone Pine,
Lone Pine Members and Lone Pine Capital and in that capacity directs their
operations.

Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on by the Parent Holding Company:

     Not applicable.

Item 8.  Identification and Classification of Members of the Group:

     See Item 2.

Item 9.  Notice of Dissolution of Group:

     Not applicable.


Item 10.  Certification:

     Each of the Reporting Persons hereby makes the following certification:

          By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.




CUSIP No. 253393102               13G/A             Page 16 of 17 Pages

                                   SIGNATURES

     After reasonable inquiry and to the best of our knowledge and belief, the
undersigned certify that the information set forth in this statement is true,
complete and correct.

DATED:  February 14, 2006


                                By:  /s/ Stephen F. Mandel, Jr.
                                     -------------------------------------------
                                     Stephen F. Mandel, Jr., individually and
                                     (a) as Managing Member of Lone Pine
                                     Associates LLC, for itself and as the
                                     general partner of (i) Lone Spruce, L.P.,
                                     (ii) Lone Balsam, L.P. and (iii) Lone
                                     Sequoia, L.P.; (b) as Managing Member of
                                     Lone Pine Members LLC, for itself and as
                                     the general partner of (i) Lone Cascade,
                                     L.P. and (ii) Lone Sierra, L.P.; and (c) as
                                     Managing Member of Lone Pine Capital LLC




 CUSIP No. 253393102               13G/A             Page 17 of 17 Pages

                                    EXHIBIT 1

                           JOINT ACQUISITION STATEMENT
                            PURSUANT TO RULE 13d-1(k)


     The undersigned acknowledge and agree that the foregoing statement on
Schedule 13G, is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13G, shall be filed on
behalf of each of the undersigned without the necessity of filing additional
joint acquisition statements. The undersigned acknowledge that each shall be
responsible for the timely filing of such amendments, and for the completeness
and accuracy of the information concerning him or it contained therein, but
shall not be responsible for the completeness and accuracy of the information
concerning the others, except to the extent that he or it knows or has reason to
believe that such information is inaccurate.


DATED:  February 14, 2006

                                By:  /s/ Stephen F. Mandel, Jr.
                                     -------------------------------------------
                                     Stephen F. Mandel, Jr., individually and
                                     (a) as Managing Member of Lone Pine
                                     Associates LLC, for itself and as the
                                     general partner of (i) Lone Spruce, L.P.,
                                     (ii) Lone Balsam, L.P. and (iii) Lone
                                     Sequoia, L.P.; (b) as Managing Member of
                                     Lone Pine Members LLC, for itself and as
                                     the general partner of (i) Lone Cascade,
                                     L.P. and (ii) Lone Sierra, L.P.; and (c) as
                                     Managing Member of Lone Pine Capital LLC