Stockholders' Equity (Details) - USD ($)	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020	Sep. 30, 2021	Sep. 30, 2019
Stock Repurchase Program
Repurchase of common stock (in shares)	14,800,000	3,000,000.0	3,700,000
Average repurchase price per share (in dollars per share)	$ 15.91	$ 14.21	$ 11.99
Repurchases of common stock	$ 235,500,000	$ 42,600,000	$ 44,400,000
Remaining authorized amount for repurchase	$ 67,300,000	$ 112,900,000	$ 155,600,000
Common Stock | 2019 Repurchase Plan
Stock Repurchase Program
Authorized amount under stock repurchase program					$ 200,000,000
Repurchase of common stock (in shares)	3,100,000
Repurchases of common stock	$ 45,500,000
Remaining authorized amount for repurchase	$ 67,300,000
Common Stock | 2021 Repurchase Plan
Stock Repurchase Program
Authorized amount under stock repurchase program				$ 190,000,000
Repurchase of common stock (in shares)	11,700,000
Repurchases of common stock	$ 190,000,000
Series B Preferred Stock
Stock Repurchase Program
Number of undesignated preferred shares authorized to be issued (in shares)	1,000,000