Schedule II - Valuation and Qualifying Accounts (Parenthetical) (Detail) $ in Millions	Jul. 01, 2018 USD ($)
ASC 606 [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Allowance for sales returns	$ 0.2

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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