Description of the Business and Summary of Significant Accounting Policies and Practices - Net Gains (Losses) on Lease Terminations (Details) - USD ($)	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 (gains) losses on lease terminations
Net (gains) losses on lease terminations	$ (300,000)	$ 0	$ 0	$ (200,000)	$ (100,000)	$ 11,500,000	$ 0	$ 0	$ (477,000)	$ 11,373,000	$ (695,000)
Europe
Net (gains) losses on lease terminations
Net (gains) losses on lease terminations										(1,000,000)	$ (700,000)
Lease modification with a common landlord | North America
Net (gains) losses on lease terminations
Net (gains) losses on lease terminations										12,400,000
Upfront payment related to lease modification										22,000,000
Advanced rent payments					$ 9,600,000					$ 9,600,000