Fair Value Measurements (Narrative) (Details) - USD ($)	12 Months Ended
Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Fair Value Disclosures [Abstract]
Long-lived assets, impairment charges	$ 0	$ 5,100,000	$ 4,500,000
Remaining unamortized basis		$ 4,700,000	$ 4,700,000

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration