Summary of Significant Accounting Policies (Costs Included as Component of Selling, General and Administrative Expenses) (Details) - Catalog Expense [Member] - USD ($) $ in Millions	12 Months Ended
Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Component Of Operating Other Cost And Expense [Line Items]
Catalog costs	$ 18.0	$ 19.0	$ 26.0
Cooperative reimbursements		(2.0)	(6.0)
Net catalog expense	$ 18.0	$ 17.0	$ 20.0

Total amount received by an entity from a vendor under a cooperative advertising arrangement that has been offset against advertising expense.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 50
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=68069731&loc=d3e63872-111659

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 705
-SubTopic 20
-Section 25
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=68067574&loc=SL51760044-203187

Name:	us-gaap_CooperativeAdvertisingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration