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Financial Services Arrangements - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2011
Maximum
Dec. 31, 2011
Finance
Dec. 31, 2010
Finance
Dec. 31, 2011
Polaris Acceptance
Dec. 31, 2010
Polaris Acceptance
Dec. 31, 2011
Polaris' wholly-owned subsidiary
Dec. 31, 2011
GE Commercial Distribution Finance Corporation
Investments in and Advances to Affiliates [Line Items]                  
Equity method investment ownership percentage           50.00%      
Outstanding balance of receivables           $ 477,604,000 $ 323,790,000    
Equity cash investment as a percentage of the sum of portfolio balance and securitized receivables     15.00%            
Aggregate repurchase obligation, amount, percentage     15.00%            
Investments in affiliates       42,251,000 37,169,000        
Net amount financed for dealers 568,392,000                
Aggregate repurchase obligation, amount 91,693,000                
Trade receivables from Polaris Acceptance $ 1,618,000 $ 29,000              
Income and losses sharing percentage               50.00% 50.00%