Significant Accounting Policies - Effect of Corrections in Condensed Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Jan. 31, 2016	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014	Jan. 31, 2014
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Cash and cash equivalents	$ 87,023	$ 47,135	$ 37,163	$ 234,668	$ 331,467	$ 331,467	$ 145,686	$ 13,389	$ 13,389
Total current assets	1,138,257	1,143,513	1,148,650	1,241,947		1,295,247
Total assets	2,192,520	2,148,010	2,088,127	2,048,520		2,067,944
Accounts payable and accrued expenses	226,980	222,788	222,298	246,483		262,284
Total current liabilities	416,169	411,130	404,735	404,449		434,125
Total liabilities	$ 1,272,651	1,245,832	1,195,169	1,168,992		1,181,784
As Reported [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Cash and cash equivalents		55,426	37,677	237,156	349,897	349,897	148,934		$ 13,389
Total current assets		1,151,804	1,149,164	1,244,435		1,313,677
Total assets		2,156,301	2,088,641	2,051,008		2,086,374
Accounts payable and accrued expenses		231,079	222,812	248,971		280,714
Total current liabilities		419,421	405,249	406,937		452,555
Total liabilities		1,254,123	1,195,683	1,171,480		1,200,214
Adjustment [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Cash and cash equivalents		(8,291)	(514)	(2,488)	$ (18,430)	(18,430)	$ (3,248)
Total current assets		(8,291)	(514)	(2,488)		(18,430)
Total assets		(8,291)	(514)	(2,488)		(18,430)
Accounts payable and accrued expenses		(8,291)	(514)	(2,488)		(18,430)
Total current liabilities		(8,291)	(514)	(2,488)		(18,430)
Total liabilities		$ (8,291)	$ (514)	$ (2,488)		$ (18,430)