Leases (Narrative) (Details) ft² in Thousands, $ in Thousands		1 Months Ended	12 Months Ended
	Feb. 03, 2019 USD ($)	Nov. 30, 2017 USD ($)	Feb. 01, 2020 USD ($) ft² warehouse stores option	Feb. 02, 2019 USD ($)	Feb. 03, 2018 USD ($)
Operating Leased Assets [Line Items]
Number of store sites owned | stores			2
Non-cancelable lease term		10 years
Renewal option term of leases			5 years
Proceeds from sale of property and equipment		$ 16,000	$ 0	$ 0	$ 15,981
Gain on sale of leaseback transaction		6,300	$ 0	0	6,328
Deferred gain on sale of leaseback transaction		$ 7,500
Operating lease, weighted average remaining lease term			10 years 8 months 12 days
Operating lease, weighted average discount rate (percent)			3.50%
Operating lease, weighted average remaining lease term, excluding ground leases			6 years 1 month 6 days
Operating lease, weighted average discount rate, excluding ground leases (percent)			0.031
Payments for operating lease liabilities			$ 608,600
Right-of-use assets obtained in exchange for operating lease liabilities			$ 739,300
Operating leases, rent expense				$ 569,800	$ 532,400
Warehouse
Operating Leased Assets [Line Items]
Number of leased distribution centers/warehouses | warehouse			9
Accounting Standards Update 2016-02
Operating Leased Assets [Line Items]
Write off of deferred gain related to sale leaseback transaction	$ 6,500
Los Angeles
Operating Leased Assets [Line Items]
Square feet of office space leased | ft²			103
Boston
Operating Leased Assets [Line Items]
Square feet of office space leased | ft²			5
Minimum
Operating Leased Assets [Line Items]
Non-cancelable lease term			3 years
Number of options to renew store lease for five year period | option			3
Maximum
Operating Leased Assets [Line Items]
Non-cancelable lease term			10 years
Number of options to renew store lease for five year period | option			4