CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 31, 2016	Nov. 01, 2015	Aug. 02, 2015	May. 03, 2015	Feb. 01, 2015	Nov. 02, 2014	Aug. 03, 2014	May. 04, 2014	Jan. 31, 2016	Feb. 01, 2015	Feb. 02, 2014
Income Statement [Abstract]
Net revenue	$ 704,276	$ 479,693	$ 453,010	$ 423,544	$ 602,491	$ 419,396	$ 390,708	$ 384,618	$ 2,060,523	$ 1,797,213	$ 1,591,188
Cost of goods sold	349,809	254,896	240,985	217,667	292,450	208,308	193,401	188,874	1,063,357	883,033	751,112
Gross profit	354,467	224,797	212,025	205,877	310,041	211,088	197,307	195,744	997,166	914,180	840,076
Selling, general and administrative expenses	188,184	156,619	145,446	137,841	152,853	129,932	129,419	125,943	628,090	538,147	448,718
Income from operations	166,283	68,178	66,579	68,036	157,188	81,156	67,888	69,801	369,076	376,033	391,358
Other (expense) income, net	938	(2,890)	842	529	1,755	1,814	1,890	1,643	(581)	7,102	5,768
Income before income tax expense	167,221	65,288	67,421	68,565	158,943	82,970	69,778	71,444	368,495	383,135	397,126
Income tax expense	49,805	12,135	19,753	20,755	48,090	22,519	21,030	52,463	102,448	144,102	117,579
Net income	117,416	53,153	47,668	47,810	110,853	60,451	48,748	18,981	266,047	239,033	279,547
Other comprehensive loss:
Foreign currency translation adjustment	(47,369)	(665)	(39,368)	22,606	(92,137)	(29,256)	3,664	12,390	(64,796)	(105,339)	(89,158)
Comprehensive income	$ 70,047	$ 52,488	$ 8,300	$ 70,416	$ 18,716	$ 31,195	$ 52,412	$ 31,371	$ 201,251	$ 133,694	$ 190,389
Basic earnings per share (in dollars per share)	$ 0.85	$ 0.38	$ 0.34	$ 0.34	$ 0.78	$ 0.42	$ 0.34	$ 0.13	$ 1.90	$ 1.66	$ 1.93
Diluted earnings per share (in dollars per share)	$ 0.85	$ 0.38	$ 0.34	$ 0.34	$ 0.78	$ 0.42	$ 0.33	$ 0.13	$ 1.89	$ 1.66	$ 1.91
Basic weighted-average number of shares outstanding									140,365	143,935	144,913
Diluted weighted-average number of shares outstanding									140,610	144,298	146,043