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Organization and Summary of Significant Accounting Policies - Other Accrued Liabilities (Detail) - USD ($)
$ in Millions
Jun. 30, 2018
Jun. 24, 2017
Payables And Accruals [Abstract]    
Customer obligations $ 26.4 $ 34.8
Inventory obligations 28.8 41.8
Warranty 5.5 4.4
Other 19.0 20.8
Other accrued liabilities $ 79.7 $ 101.8