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Organization and Summary of Significant Accounting Policies - Changes in Warranty Liability (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Payables And Accruals [Abstract]    
Beginning accrued warranty $ 1.7 $ 1.7
Provision for product warranties 4.4 2.4
Cost of warranty claims and settlements (3.3) (2.4)
Ending accrued warranty $ 2.8 $ 1.7