Stock-Based Compensation - Compensation by Function (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Jan. 01, 2022	Jan. 02, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	$ 13.3	$ 9.9	$ 26.9	$ 22.4
Cost of revenues
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	1.2	1.2	2.8	2.4
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	2.1	2.3	4.3	4.5
Selling, general and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation	$ 10.0	$ 6.4	$ 19.8	$ 15.5