Summary of Significant Accounting Policies - Impact of Adoption of ASU 2014-09 (Detail) - USD ($) $ in Thousands	Feb. 02, 2019	Feb. 04, 2018	Feb. 03, 2018
Item Effected [Line Items]
Prepaid expenses and other current assets	$ 63,454	$ 89,792	$ 81,972
Accrued expenses and other current liabilities	504,834	512,412	495,767
Deferred income taxes	36,937	54,611	57,074
Accumulated deficit	(915,113)	(1,042,374)	(1,036,012)
Calculated under Revenue Guidance in Effect before Topic 606
Item Effected [Line Items]
Prepaid expenses and other current assets	57,785		81,972
Accrued expenses and other current liabilities	489,492		495,767
Deferred income taxes	39,636		57,074
Accumulated deficit	(908,139)		$ (1,036,012)
Difference between Revenue Guidance in Effect before and after Topic 606 | ASU 2014-09
Item Effected [Line Items]
Prepaid expenses and other current assets	5,669	7,820
Accrued expenses and other current liabilities	15,342	16,645
Deferred income taxes	(2,699)	(2,463)
Accumulated deficit	$ (6,974)	$ (6,362)