Derivatives and Hedging Activities - Effect of Interest Rate Swaps Designated in Hedging Relationships on Consolidated Statement of Operations (Detail) - USD ($) $ in Millions	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (gain) loss recognized in OCI, after-tax	$ (14.3)	$ (1.8)	$ 9.3
Amount of (loss) gain reclassified from OCI into interest expense, after-tax	3.7	3.2	(0.8)
Total interest expense	182.9	152.4	116.9
Cash Flow Hedging [Member] | Derivatives Designated as Hedging Instruments Under ASC 815-20 [Member | Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of (gain) loss recognized in OCI, pre-tax	(19.3)	(2.4)	12.6
Tax expense (benefit)	5.0	0.6	(3.3)
Amount of (gain) loss recognized in OCI, after-tax	(14.3)	(1.8)	9.3
Amount of (loss) gain reclassified from OCI into interest expense, pre-tax	(4.9)	(4.3)	1.0
Tax benefit (expense)	1.2	1.1	(0.2)
Amount of (loss) gain reclassified from OCI into interest expense, after-tax	(3.7)	(3.2)	0.8
Total interest expense	$ 182.9	$ 152.4	$ 116.9