Leases (Narrative) (Details) ft² in Thousands, $ in Millions	12 Months Ended
	Jan. 28, 2017 USD ($) ft² warehouse stores option	Jan. 30, 2016 USD ($)	Jan. 31, 2015 USD ($)
Operating Leased Assets [Line Items]
Number of store sites owned | stores	3
Number of options to renew store lease for five year period, minimum | option	3
Number of options to renew store lease for five year period, maximum | option	4
Renewal option term of leases	5 years
Operating leases, rent expense | $	$ 505.2	$ 473.2	$ 451.9
Los Angeles Office [Member]
Operating Leased Assets [Line Items]
Facility, square foot area | ft²	87
Warehouse [Member]
Operating Leased Assets [Line Items]
Number of warehouses leased | warehouse	3
Warehouse [Member] | Carlisle, Pennsylvania [Member]
Operating Leased Assets [Line Items]
Number of warehouses leased | warehouse	2
Minimum [Member]
Operating Leased Assets [Line Items]
Non-cancelable lease term	3 years
Maximum [Member]
Operating Leased Assets [Line Items]
Non-cancelable lease term	10 years