Schedule II - Valuation And Qualifying Accounts (Amounts In Thousands) (Detail) - Analysis of Valuation and Qualifying Accounts (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Allowance for Doubtful Accounts, Current [Member]
Balance at beginning of period	$ 1,678	[1]	$ 1,780	[1]	$ 2,162	[1]
Charged to expenses	481	[1]	619	[1]	691	[1]
Charged to other accounts	0	[1]	0	[1]	0	[1]
Write offs and deductions net	(445)	[1]	(721)	[1]	(1,073)	[1]
Balance at end of period	1,714	[1]	1,678	[1]	1,780	[1]
Inventory Valuation Reserve [Member]
Balance at beginning of period	7,227	[1]	4,747	[1]	4,859	[1]
Charged to expenses	8,285	[1]	9,356	[1]	3,028	[1]
Charged to other accounts	0	[1]	0	[1]	0	[1]
Write offs and deductions net	(7,354)	[1]	(6,876)	[1]	(3,140)	[1]
Balance at end of period	8,158	[1]	7,227	[1]	4,747	[1]
Allowance for Sales Returns [Member]
Balance at beginning of period	2,414	[1]	1,388	[1]	1,198	[1]
Charged to expenses	7,434	[1]	7,424	[1]	6,760	[1]
Charged to other accounts	0	[1]	0	[1]	0	[1]
Write offs and deductions net	(7,650)	[1]	(6,398)	[1]	(6,570)	[1]
Balance at end of period	$ 2,198	[1]	$ 2,414	[1]	$ 1,388	[1]

[1] Includes activity related to the Form Athletics brand for 2011 and 2010.