Derivative Financial Instruments (Detail) - USD ($) $ in Millions	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015	Oct. 01, 2014
Derivative [Line Items]
Contract maturity date	Sep. 25, 2019
Net amount of existing losses expected to be reclassified into earnings within the next 12 months	$ 2.8
Foreign currency forward contracts entered	6.7	$ 25.9	$ 23.1
Foreign currency forward contracts settled	$ 20.5	21.5	$ 20.5
Derivative, Fixed Interest Rate	1.97%
Forward Contracts & swaps
Derivative [Line Items]
Derivative, Notional Amount	$ 55.7
Interest Rate Swap
Derivative [Line Items]
Derivative, Notional Amount	$ 14.5	$ 20.5		$ 25.0