Income Taxes - Company's Current and Deferred Taxes from Federal, State and Foreign Sources (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
Income (loss) before income tax expense
Domestic									$ 123,942	$ (30,955)	$ 84,286
Foreign									336,056	453,684	284,209
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
Current income tax expense (recovery)
Federal									79,724	36,245	(18,662)
State									11,573	6,690	3,363
Foreign									109,322	94,581	110,372
Total current									200,619	137,516	95,073
Deferred income tax expense (recovery)
Federal									14,443	(11,065)	8,719
State									3,988	(1,840)	425
Foreign									(17,714)	(5,263)	(1,769)
Total deferred									717	(18,168)	7,375
Provision for income taxes	$ 137,743	$ 27,696	$ 20,813	$ 15,084	$ 61,351	$ 25,318	$ 20,912	$ 11,767	$ 201,336	$ 119,348	$ 102,448