Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Summary of Significant Accounting Policies (Impact of COVID-19) (Details) - USD ($)	6 Months Ended
	Aug. 01, 2020	Apr. 24, 2020	Apr. 23, 2020
Renewed Credit Facility
Unusual or Infrequent Item, or Both [Line Items]
Revolving credit facility maximum borrowings		$ 225,000,000	$ 50,000,000
Chief Executive Officer
Unusual or Infrequent Item, or Both [Line Items]
Base salary reduction, percent	50.00%
Executive Leadership Team That Reports To Chief Executive Officer
Unusual or Infrequent Item, or Both [Line Items]
Base salary reduction, percent	25.00%