Derivative Financial Instruments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018	Sep. 01, 2015
Derivative [Line Items]
Derivative, Notional Amount	$ 33.6		$ 33.6
Contract maturity date			Jun. 24, 2020
Foreign currency forward contracts entered			$ 6.3	$ 7.2
Foreign currency forward contracts settled	7.0	$ 5.7	19.0	$ 22.3
Derivative, Fixed Interest Rate					1.97%
Net amount of existing losses expected to be reclassified into earnings within the next 12 months	$ 1.8		$ 1.8