Leases (Narrative) (Details) $ in Thousands	12 Months Ended
	Feb. 03, 2018 USD ($) ft² warehouse stores option	Jan. 28, 2017 USD ($)	Jan. 30, 2016 USD ($)
Operating Leased Assets [Line Items]
Number of store sites owned | stores	2
Proceeds from sale of property and equipment	$ 15,981	$ 0	$ 0
Gain on sale of leaseback transaction	6,328	0	0
Deferred gain on sale of leaseback transaction	$ 7,500
Lease term	10 years
Renewal option term of leases	5 years
Operating leases, rent expense	$ 532,400	$ 505,200	$ 473,200
Los Angeles office
Operating Leased Assets [Line Items]
Facility, square foot area | ft²	87,000
Boston office
Operating Leased Assets [Line Items]
Facility, square foot area | ft²	5,000
Warehouse
Operating Leased Assets [Line Items]
Number of warehouses leased | warehouse	3
Warehouse | Carlisle, Pennsylvania
Operating Leased Assets [Line Items]
Number of warehouses leased | warehouse	2
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