Debt - Summary of Outstanding Borrowings, Availability, and Average Interest Rate under ABL Facility (Parenthetical) (Detail) - USD ($) $ in Millions	Sep. 29, 2018	Jun. 30, 2018
ABL Facility [Member]
Debt Instrument [Line Items]
Debt amount reserve by lender	$ 12.4	$ 12.1

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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Balance Type:	na
Period Type:	duration