Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 28, 2024	Dec. 30, 2023	Mar. 06, 2023	Mar. 03, 2017
Numerator:
Net income	$ 9.1	$ 10.7	$ 7.3	$ 20.5
Weighted-average shares outstanding:
Basic (in shares)	222.0	222.5	222.0	222.2
Effect of dilutive securities from stock-based benefit plans (in shares)	2.8	1.0	2.4	1.7
Diluted (in shares)	224.8	223.5	224.4	223.9
Net income per share:
Basic (in dollars per share)	$ 0.04	$ 0.05	$ 0.03	$ 0.09
Dilutive (in dollars per share)	$ 0.04	$ 0.05	$ 0.03	$ 0.09
RSUs
Net income per share:
Total potentially dilutive securities (in shares)	1.2	5.6	1.8	3.1
Convertible Notes | 1.625% Senior Convertible Notes
Net income per share:
Stated interest rate	1.625%		1.625%		1.625%
Conversion price (in USD per share)	$ 13.19		$ 13.19
Convertible Notes | 1.00% Senior Convertible Notes
Net income per share:
Stated interest rate	1.00%		1.00%		1.00%	1.00%
Conversion price (in USD per share)	$ 13.22		$ 13.22