UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                             (Amendment No. _4__ )*

                             Polaris Industries Inc.
--------------------------------------------------------------------------------
                                (Name of Issuer)

                                  Common Stock
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    731068102
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                November 30, 2007
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

         [ X ]   Rule 13d-1(b)

         [   ]   Rule 13d-1(c)

         [   ]   Rule 13d-1(d)

*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 the purpose 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).



                                  SCHEDULE 13G

CUSIP No.         731068102

--------------------------------------------------------------------------------

     1.   Names of Reporting Persons. I.R.S. Identification Nos. of above
          persons (entities only).
          INVESCO Ltd.

                    AIM Advisors, Inc.
                    AIM Funds Management Inc.
                    Atlantic Trust Company, N.A.
                    INVESCO Asset Management Deutschland GmbH
                    INVESCO Institutional (N.A.), Inc.
                    PowerShares Capital Management LLC
                    PowerShares Capital Management Ireland LTD

--------------------------------------------------------------------------------

     2.   Check the Appropriate Box if a Member of a Group (see Instructions)
          (a)
          (b)

--------------------------------------------------------------------------------

     3.   SEC Use Only _______________________________________________

--------------------------------------------------------------------------------

     4.   Citizenship or Place of Organization
          INVESCO Ltd.: England

          AIM Advisors, Inc.: United States
          AIM Funds Management Inc.: Canada
          Atlantic Trust Company, N.A.: United States
          INVESCO Asset Management Deutschland GmbH - Germany
          INVESCO Institutional (N.A.), Inc.: United States
          PowerShares Capital Management LLC: United States
          PowerShares Capital Management Ireland LTD: Ireland

--------------------------------------------------------------------------------

                    5.   Sole Voting Power: 1,636,560 Such shares are held by
                         the following entities in the respective amounts
                         listed:

                             AIM Advisors, Inc.: 20,080
                             AIM Funds Management Inc.: 1,115,700
                             Atlantic Trust Company, N.A.: 16,726
                             INVESCO Asset Management Deutschland GmbH: 5,000
                             INVESCO Institutional (N.A.), Inc.: 470,470
                             PowerShares Capital Management LLC: 8,569
                             PowerShares Capital Management Ireland LTD: 15

Number of Shares     -----------------------------------------------------------
Beneficially Owned
by Each Reporting    6.  Shared Voting Power -0-
Person With

                     -----------------------------------------------------------

                     7.  Sole Dispositive Power: 1,636,560 Such shares are held
                         by the following entities in the respective amounts
                         listed:

                               AIM Advisors, Inc.: 20,080
                               AIM Funds Management Inc.: 1,115,700
                               Atlantic Trust Company, N.A.: 16,726
                               INVESCO Asset Management Deutschland GmbH: 5,000
                               INVESCO Institutional (N.A.), Inc.: 470,470
                               PowerShares Capital Management LLC: 8,569
                               PowerShares Capital Management Ireland LTD: 15

                    ------------------------------------------------------------

                    8.   Shared Dispositive Power -0-

--------------------------------------------------------------------------------

     9.   Aggregate Amount Beneficially Owned by Each Reporting Person
          1,636,560

--------------------------------------------------------------------------------

     10.  Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
          Instructions) N/A

--------------------------------------------------------------------------------

     11.  Percent of Class Represented by Amount in Row (9) 4.68%
                                                            ----
--------------------------------------------------------------------------------

     12.  Type of Reporting Person (See Instructions)
          IA, HC. See Items 2 and 3 of this statement.


                                  SCHEDULE 13G

Item 1(a)    Name of Issuer:
             Polaris Industries Inc.

Item 1(b)    Address of Issuer's Principal Executive Offices:
                  2100 Highway 55
                  Medina, MN  55340

Item 2(a)    Name of Person Filing:
             INVESCO Ltd.

             In accordance with Securities and Exchange Commission Release
             No. 34-39538 (January 12, 1998), this statement on Schedule
             13G or amendment thereto is being filed by INVESCO Ltd.
             ("INVESCO"), a U.K. entity, on behalf of itself and its
             subsidiaries listed in Item 4 of the cover of this statement.
             INVESCO through such subsidiaries provides investment
             management services to institutional and individual investors
             worldwide.

             Executive officers and directors of INVESCO or its
             subsidiaries may beneficially own shares of the securities of
             the issuer to which this statement relates (the "Shares"), and
             such Shares are not reported in this statement. INVESCO and
             its subsidiaries disclaim beneficial ownership of Shares
             beneficially owned by any of their executive officers and
             directors. Each of INVESCO's direct and indirect subsidiaries
             also disclaim beneficial ownership of Shares beneficially
             owned by INVESCO and any other subsidiary.

Item 2(b)    Address of Principal Business Office:
             30 Finsbury Square
             London EC2A 1AG
             England

Item 2(c)    Citizenship:
             See the response to Item 2(a) of this statement.

Item 2(d)    Title of Class of Securities:
             Common Stock, $.01 par value per share

Item 2(e)    CUSIP Number:
             731068102

Item 3       If this statement is filed pursuant to ss240.13d-1(b) or
             240.13d-2(b) or (c), check whether the person filing is a:

         (e) [x] An investment adviser in accordance with section
240.13d-1(b)(1)(ii)(E)

         (g) [x] A parent holding company or control person in accordance with
section 240.13d-1(b)(1)(ii)(G)

             As noted in Item 2 above, INVESCO is making this filing on
             behalf of its subsidiaries listed herein. Each of these
             entities is either an investment adviser registered with the
             United States Securities and Exchange Commission under Section
             203 of the Investment Advisers Act of 1940, as amended, or
             under similar laws of other jurisdictions. INVESCO is a
             holding company.



Item 4       Ownership:
             Please see responses to Items 5-8 on the cover of this
             statement, which are incorporated herein by reference.

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

             If this statement is being filed to report the fact that
             as of the date hereof the reporting person has ceased to
             be the beneficial owner of more than five percent of the
             class of securities, check the following [ x ]

Item 6       Ownership of More than Five Percent on Behalf of Another Person:
             N/A

Item 7       Identification and Classification of the Subsidiary Which Acquired
             the Security Being reported on By the Parent Holding Company:

             Please see Item 3 of this statement, which is incorporated
             herein by reference.

Item 8       Identification and Classification of Members of the Group:
             N/A

Item 9       Notice of Dissolution of a Group:
             N/A

Item 10      Certification:

             By signing below I certify that, to the best of my knowledge
             and belief, the securities referred to above were acquired and
             are held in the ordinary course of business and 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.

             Signature:

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

                                                     12/10/2007
                                             -----------------------------------
                                                         Date

                                             INVESCO Ltd.

                                             By:       /s/ Lisa Brinkley
                                                 -------------------------------

                                             Lisa Brinkley
                                             Chief Compliance Officer