Derivative Financial Instruments (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018	Nov. 06, 2019
Derivative [Line Items]
Derivative, Notional Amount	$ 25.8		$ 25.8
Foreign currency forward contracts entered			6.3	$ 6.3
Foreign currency forward contracts settled	7.2	$ 6.7	13.9	$ 12.0
Derivative, Fixed Interest Rate					1.70%
Net amount of existing losses expected to be reclassified into earnings within the next 12 months	$ 2.3		$ 2.3
Line of Credit
Derivative [Line Items]
Derivative, Fixed Interest Rate					1.67%