Derivative Financial Instruments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Mar. 31, 2018	Apr. 01, 2017	Sep. 01, 2015
Derivative [Line Items]
Derivative, Notional Amount	$ 45.6		$ 45.6
Contract maturity date			Dec. 24, 2019
Foreign currency forward contracts entered			$ 7.2	$ 6.7
Foreign currency forward contracts settled	5.7	$ 5.2	22.3	$ 15.5
Derivative, Fixed Interest Rate					1.97%
Net amount of existing losses expected to be reclassified into earnings within the next 12 months	$ 0.7		$ 0.7
Interest Rate Swap
Derivative [Line Items]
Derivative, Notional Amount					$ 25.0