v2.4.0.6
Income from Financial Services (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Schedule of Investment Income, Reported Amounts, by Category [Line Items]      
Income from financial services $ 33,920 $ 24,092 $ 16,856
Polaris Acceptance
     
Schedule of Investment Income, Reported Amounts, by Category [Line Items]      
Income from financial services 3,899 4,444 4,574
Securitization Facility
     
Schedule of Investment Income, Reported Amounts, by Category [Line Items]      
Income from financial services 11,862 7,686 8,027
HSBC/Capital One, GE Bank and Sheffield retail credit agreements
     
Schedule of Investment Income, Reported Amounts, by Category [Line Items]      
Income from financial services 15,296 9,056 2,422
Other financial services activities
     
Schedule of Investment Income, Reported Amounts, by Category [Line Items]      
Income from financial services $ 2,863 $ 2,906 $ 1,833