Income from Financial Services (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Income from financial services	$ 45,901	$ 33,920	$ 24,092
Polaris Acceptance
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Income from financial services	4,983	3,899	4,444
Securitization Facility
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Income from financial services	15,187	11,862	7,686
HSBC/Capital One, GE Bank and Sheffield retail credit agreements
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Income from financial services	22,481	15,296	9,056
Other financial services activities
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Income from financial services	$ 3,250	$ 2,863	$ 2,906