Earnings Per Share - Computation of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 28, 2024	Sep. 30, 2023
Numerator:
Net loss	$ (82.4)	$ (67.9)
Net loss - basic	(82.4)	(67.9)
Net loss - diluted	$ (82.4)	$ (67.9)
Denominator:
Weighted average common shares outstanding - basic (in shares)	68.3	66.7
Weighted average common shares outstanding - diluted (in shares)	68.3	66.7
Net loss per share:
Basic (in usd per share)	$ (1.21)	$ (1.02)
Diluted (in usd per share)	$ (1.21)	$ (1.02)