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Contingencies - Additional information (Detail) - USD ($)
$ in Millions
9 Months Ended
Mar. 29, 2017
Jun. 29, 2016
Guarantor Obligations [Line Items]    
Letters of Credit Outstanding, Amount $ 26.9  
Lease Guarantees And Secondary Obligations [Member]    
Guarantor Obligations [Line Items]    
Loss Contingency, Estimate of Possible Loss 71.3 $ 72.9
Loss Contingency, Accrual, Current $ 0.4  
Description of Material Contingencies of Parent Company No other liabilities have been recorded