Schedule 1 - Registrant's Condensed Financial Statements - Condensed Statements of Cash Flows (Detail) - USD ($) $ in Millions	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Cash flows from operating activities:
Net income (loss)	$ 112.5	$ 40.7	$ (114.1)
Changes in operating assets and liabilities, net
Income taxes receivable	46.7	106.9	(145.3)
Accrued expenses and other liabilities	60.6	99.2	27.9
Net cash provided by (used in) operating activities	276.5	64.6	623.6
Cash flows from investing activities:
Net cash paid for acquisitions	(6.9)	(136.4)	(4.8)
Net cash used in investing activities	(1,861.5)	(199.8)	(2,146.0)
Cash flows from financing activities:
Proceeds from exercise of stock options	2.7	5.0	4.8
Proceeds from sale of common stock	0.0	0.0	828.1
Proceeds from employee stock purchase plan	24.6	26.2	0.0
Cash paid for shares withheld to cover taxes	(11.4)	(4.2)	(7.9)
Repurchases of common stock	0.0	0.0	(5.0)
Net cash provided by financing activities	1,581.5	(274.4)	1,928.8
Net (decrease) increase in cash and restricted cash	(3.5)	(409.6)	406.4
Parent Company [Member]
Cash flows from operating activities:
Net income (loss)	112.5	40.7	(114.1)
Adjustments to reconcile net income to net cash provided by operating activities
Equity in net (income) loss of subsidiary	(113.2)	(41.8)	113.5
Changes in operating assets and liabilities, net
Income taxes receivable			11.7
Accrued expenses and other liabilities		(0.2)
Intercompany payables	9.4	0.5	(1.2)
Net cash provided by (used in) operating activities	8.7	(0.8)	9.9
Cash flows from investing activities:
Net cash paid for acquisitions	(1,386.1)
Capital contribution to subsidiary	(83.1)	(26.2)	(834.9)
Distribution from subsidiary	1,444.6		5.0
Net cash used in investing activities	(24.6)	(26.2)	(829.9)
Cash flows from financing activities:
Proceeds from exercise of stock options	2.7	5.0	4.8
Proceeds from sale of common stock			828.1
Proceeds from employee stock purchase plan	24.6	26.2
Cash paid for shares withheld to cover taxes	(11.4)	(4.2)	(7.9)
Repurchases of common stock			(5.0)
Net cash provided by financing activities	$ 15.9	$ 27.0	$ 820.0