Business Combination (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended			1 Months Ended			9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010	Sep. 30, 2011 Sanuk.	Sep. 30, 2010 Sanuk.	Sep. 30, 2011 Sanuk. Y	Sep. 30, 2010 Sanuk.	Jul. 02, 2011 Sanuk.	Jul. 31, 2011 Sanuk. Contingent consideration performance criteria Y	Jul. 31, 2011 Sanuk. EBITDA performance criteria multiplier	Jul. 31, 2011 Sanuk. Gross profit performance criteria multiplier	Sep. 30, 2011 Sanuk. US tradenames	Sep. 30, 2011 Sanuk. International tradenames	Sep. 30, 2011 Sanuk. Customer relationships Y	Sep. 30, 2011 Sanuk. International distributor relationships Y	Sep. 30, 2011 Sanuk. US non-compete agreements	Sep. 30, 2011 Sanuk. International non-compete agreements	Sep. 30, 2011 Sanuk. Patents Y	Sep. 30, 2011 Sanuk. US backlog	Sep. 30, 2011 Sanuk. International backlog	Sep. 30, 2011 Sanuk. Backlog Y	Sep. 30, 2011 Sanuk. Tradenames Y	Sep. 30, 2011 Sanuk. Non-compete agreements Y
Business combinations
Initial cash paid										$ 119,800
Working capital adjustments paid at closing										6,800
Contingent consideration disclosures
Performance evaluation period (in years)											5
Multiplier applied to performance criteria in 2011 (EBITDA) or 2015 (Gross profit)												10	5
Maximum additional participation payment, 2011												30,000
Contingent consideration performance percentage applied to gross profit in 2012 (as a percent)													51.80%
Contingent consideration performance percentage applied to gross profit in 2013 (as a percent)													36.00%
Contingent consideration performance percentage applied to gross profit in 2015 (as a percent)													8.00%
Revenue since acquisition date								15,578
Operating income (loss) since acquisition date								(307)
Income (loss) from operations	90,661	66,314	108,058	108,351				1,459
Amortization expense								2,990
Accretion expense								1,389
Transaction costs						4,000		4,000
Contingent consideration, discount rate to determine fair value (as a percent)								5.00%
Contingent consideration, discount rate to be used after 2011 to determine fair value (as a percent)								7.00%
Discount rate														15.00%	17.00%	15.50%	17.50%	15.50%	17.50%	16.50%	14.00%	16.00%
Royalty rate														5.00%	5.00%					3.00%
Estimated fair value of assets aquired and liabilities assumed
Cash paid						126,615		126,615
Estimated working capital adjustments						(4,091)		(4,091)
Contingent consideration arrangement						84,300		84,300
Recognized amounts of identifiable assets acquired and liabilities assumed:
Trade accounts receivable, net of allowances						12,809		12,809
Allowances						1,130		1,130
Inventories						7,545		7,545
Other current assets						367		367
Trade accounts payable						(5,590)		(5,590)
Other liabilities						(507)		(507)
Net tangible assets acquired						14,624		14,624
Maximum measurement period of contingent consideration payments included in the purchase price (in years)								5
Identifiable intangible assets:
Identifiable intangible assets:																21,300	800			6,600			1,830	47,200	5,300
Goodwill	115,271		115,271		6,507	109,170		109,170
Total purchase price						206,824		206,824
Estimated Useful Life (Years)																10	2			14			1	20	5
Pro forma results
Revenue						414,358	288,644	815,706	609,005
Operating income						95,021	65,994	120,066	106,882
Deferred Purchase Factoring Agreement
Open accounts receivable sold held by CIT Commercial Services						6,100		6,100
Collection fees						$ 69		$ 69