Legal Proceedings - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended						12 Months Ended
	Jan. 02, 2015	Oct. 03, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 27, 2013	Sep. 27, 2013	Jul. 03, 2015	Jun. 27, 2014	Jun. 28, 2013	Dec. 23, 2014	Oct. 14, 2014	Jan. 23, 2012
Commitments and Contingencies Disclosure [Abstract]
Amount of total award issued by the arbitrator												$ 630.4
Arbitration award accrual	$ 1.0	$ 14.0	$ 13.0	$ 13.0	$ 13.0	$ 13.0	$ 15.0	$ 52.0	$ 681.0
Accrued arbitration award			$ 758.0				0.0	$ 758.0
Final Arbitration Award											$ 773.4
Disputed Post Award Interest										$ 29.0
Loss Contingency, Range of Possible Loss, Maximum							$ 95.0