Summary of Segment Reporting Information by Segment (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended
May 05, 2019	Apr. 29, 2018
Segment Reporting Information [Line Items]
Net revenues related to foreign operations	$ 86.6	$ 79.4

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.

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