Significant Accounting Policies - Summary of Impact of Adopting Topic 606 Condensed Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Net revenues	$ 670,891	$ 636,558	$ 640,798	$ 557,406	$ 670,295	$ 592,473	$ 615,326	$ 562,080	$ 2,505,653	$ 2,440,174	$ 2,134,871
Cost of goods sold									1,504,806	1,591,107	1,455,084
Gross profit	262,701	254,511	271,600	212,035	258,673	214,325	205,813	170,256	1,000,847	849,067	679,787
Selling, general and administrative expenses									711,617	717,766	626,751
Income from operations									289,230	131,301	53,036
Other expenses
Interest expense—net									75,074	62,570	44,482
Goodwill and tradename impairment									32,086
Loss on extinguishment of debt									917	4,880
Total other expenses									108,077	101,150	44,482
Income before income taxes									181,153	30,151	8,554
Income tax expense									30,514	27,971	3,153
Net income	$ 36,127	$ 22,411	$ 64,042	$ 28,059	$ 261	$ 13,151	$ (7,862)	$ (3,370)	150,639	$ 2,180	$ 5,401
Adjustments [Member] | Accounting Standards Update 2014-09 [Member]
Net revenues									(9,868)
Cost of goods sold									(3,485)
Gross profit									(6,383)
Selling, general and administrative expenses									(2,616)
Income from operations									(3,767)
Other expenses
Income before income taxes									(3,767)
Income tax expense									(3,945)
Net income									178
Balances without Adoption of Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Net revenues									2,495,785
Cost of goods sold									1,501,321
Gross profit									994,464
Selling, general and administrative expenses									709,001
Income from operations									285,463
Other expenses
Interest expense—net									75,074
Goodwill and tradename impairment									32,086
Loss on extinguishment of debt									917
Total other expenses									108,077
Income before income taxes									177,386
Income tax expense									26,569
Net income									$ 150,817