Summary of Segment Reporting Information by Segment (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended
May 03, 2020	May 05, 2019
Segment Reporting Information [Line Items]
Net revenues related to foreign operations	$ 55.2	$ 86.6

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration