Segmented Financial Information - Detailed Segments Information (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 28, 2018	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 30, 2016	Jul. 31, 2016	May 01, 2016	Jan. 28, 2018	Jan. 29, 2017	Jan. 31, 2016
Net revenue
Net revenue	$ 928,802	$ 619,018	$ 581,054	$ 520,307	$ 789,940	$ 544,416	$ 514,520	$ 495,516	$ 2,649,181	$ 2,344,392	$ 2,060,523
Income from operations before general corporate expenses
Income from operations before general corporate expenses									731,196	624,125	519,046
General corporate expenses									227,972	202,973	149,970
Restructuring and related costs									47,223	0	0
Income from operations	256,278	85,588	68,712	45,423	196,629	92,975	73,959	57,589	456,001	421,152	369,076
Other income (expense), net	1,226	1,052	812	907	857	628	578	(486)	3,997	1,577	(581)
Income before income tax expense	$ 257,504	$ 86,640	$ 69,524	$ 46,330	$ 197,486	$ 93,603	$ 74,537	$ 57,103	459,998	422,729	368,495
Capital expenditures:
Capital expenditures:									157,864	149,511	143,487
Depreciation and amortization:
Depreciation and amortization									108,235	87,697	73,383
Company-operated stores
Net revenue
Net revenue									1,837,065	1,704,357	1,516,323
Income from operations before general corporate expenses
Income from operations before general corporate expenses									464,321	415,635	346,802
Direct to consumer
Net revenue
Net revenue									577,590	453,287	401,525
Income from operations before general corporate expenses
Income from operations before general corporate expenses									231,295	186,178	166,418
Other
Net revenue
Net revenue									234,526	186,748	142,675
Income from operations before general corporate expenses
Income from operations before general corporate expenses									35,580	22,312	5,826
Operating Segments | Company-operated stores
Capital expenditures:
Capital expenditures:									80,240	75,304	85,756
Depreciation and amortization:
Depreciation and amortization									64,870	59,585	50,951
Operating Segments | Direct to consumer
Capital expenditures:
Capital expenditures:									19,928	11,461	8,284
Depreciation and amortization:
Depreciation and amortization									12,997	7,015	6,628
Corporate and other
Capital expenditures:
Capital expenditures:									57,696	62,746	49,447
Depreciation and amortization:
Depreciation and amortization									$ 30,368	$ 21,097	$ 15,804