Activist Shareholder Response Costs (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Activist Shareholder Response Costs [Abstract]
Activist Shareholder Costs	$ 0	$ 0	$ 3,518
Reimbursement for a portion of the activist shareholder's expenses			$ 750

Amount of other expense that is infrequent in occurrence or unusual in nature.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64828382&loc=d3e15138-107781

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