Derivative Financial Instruments (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016	Oct. 01, 2014
Derivative [Line Items]
Contract maturity date	Mar. 25, 2020
Net amount of existing losses expected to be reclassified into earnings within the next 12 months	$ 1.2
Foreign currency forward contracts entered	13.7	$ 6.7	$ 25.9
Foreign currency forward contracts settled	$ 28.1	20.5	$ 21.5
Derivative, Fixed Interest Rate	1.97%
Forward Contracts & swaps
Derivative [Line Items]
Derivative, Notional Amount	$ 46.3
Interest Rate Swap
Derivative [Line Items]
Derivative, Notional Amount	$ 8.5	$ 14.5		$ 25.0