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Acquired Intangibles - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Jun. 25, 2016
Jun. 27, 2015
Jun. 28, 2014
Goodwill And Intangible Assets Disclosure [Abstract]      
Disposal group including discontinued operation, intangible assets $ 10.3    
Acquired intangibles amortization $ 73.0 $ 87.6 $ 7.4