Schedule 1 - Registrant's Condensed Financial Statements - Condensed Statements of Operations and Comprehensive Income (Detail) - USD ($) $ in Millions	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Condensed Statement Of Income Captions [Line Items]
Operating expenses	$ 4,929.0	$ 3,324.5	$ 2,968.2
Operating loss	327.4	200.7	(99.0)
Net income (loss)	112.5	40.7	(114.1)
Other comprehensive income (loss)	16.7	5.0	(10.1)
Total comprehensive income (loss)	129.2	45.7	(124.2)
Parent Company [Member]
Condensed Statement Of Income Captions [Line Items]
Operating expenses	0.7	1.1	0.6
Operating loss	(0.7)	(1.1)	(0.6)
Loss before equity in net income (loss) of subsidiary	(0.7)	(1.1)	(0.6)
Equity in net income (loss) of subsidiary, net of tax	113.2	41.8	(113.5)
Net income (loss)	112.5	40.7	(114.1)
Other comprehensive income (loss)	16.7	5.0	(10.1)
Total comprehensive income (loss)	$ 129.2	$ 45.7	$ (124.2)