Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter.

No definition available.

Name:	us-gaap_FiscalPeriodDuration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Summarized Quarterly Data (unaudited) - Fiscal periods (Details)	3 Months Ended									12 Months Ended
	Feb. 01, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 03, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Fiscal period
Length of fiscal period	91 days	91 days	91 days	91 days	91 days	91 days	91 days	91 days	98 days	364 days	364 days	371 days
Maximum
Fiscal period
Length of fiscal period										371 days