Condensed Consolidated Statements of Operations and Comprehensive (Loss) Income (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) [Abstract]
Net sales	$ 412,183	$ 554,626	$ 1,322,768	$ 1,552,249
Cost of sales	236,988	301,975	811,633	824,535
Gross profit	175,195	252,651	511,135	727,714
Royalty income	1,406	1,888	4,430	3,148
Operating income	176,601	254,539	515,565	730,862
Operating expenses:
Selling	37,943	59,516	128,602	146,262
General and administrative	136,364	139,455	418,312	389,241
Operating expenses	174,307	198,971	546,914	535,503
Earnings (loss) from operations	2,294	55,568	(31,349)	195,359
Other income (expense):
Interest income	217	487	1,559	2,350
Interest expense	(1,203)	(3)	(5,519)	(835)
Other, net	395	(3,143)	(200)	(1,323)
Other income (expense)	(591)	(2,659)	(4,160)	192
Earnings (loss) before income taxes	1,703	52,909	(35,509)	195,551
Income tax (benefit) expense	(6,653)	16,330	(25,966)	62,532
Net earnings (loss)	8,356	36,579	(9,543)	133,019
Less: Net earnings attributable to non-controlling interests	71	201	280	108
Net earnings (loss) attributable to Skechers U.S.A., Inc	8,285	36,378	(9,823)	132,911
Net earnings (loss) per share attributable to Skechers U.S.A., Inc.:
Basic	$ 0.17	$ 0.76	$ (0.20)	$ 2.81
Diluted	$ 0.17	$ 0.74	$ (0.20)	$ 2.71
Weighted average shares used in calculating earnings (loss) per share attributable to Skechers U.S.A., Inc.:
Basic	48,445	47,586	48,344	47,268
Diluted	49,399	49,176	48,344	49,017
Comprehensive income (loss):
Net (loss) earnings	8,285	36,378	(9,823)	132,911
Gain (loss) on foreign currency translation adjustment, net of tax	(15,507)	10,372	(6,563)	(44)
Total comprehensive income (loss)	$ (7,222)	$ 46,750	$ (16,386)	$ 132,867