Earnings Per Share - Computation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2023	Oct. 01, 2022
Numerator:
Net loss	$ (67.9)	$ (0.4)
Net loss - Basic	(67.9)	(0.4)
Net loss - Diluted	$ (67.9)	$ (0.4)
Denominator:
Weighted average common shares outstanding - basic (in shares)	66.7	68.1
Weighted average common shares outstanding - diluted (in shares)	66.7	68.1
Net loss per share:
Basic (in usd per share)	$ (1.02)	$ (0.01)
Diluted (in usd per share)	$ (1.02)	$ (0.01)