Income Taxes - Provision for Income Taxes From Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Current tax expense:
U.S. federal	$ (0.7)	$ 1.0	$ 1.3
U.S. state and local	(0.8)	2.5	1.4
Foreign	8.0	9.9	61.5
Total current	6.5	13.4	64.2
Deferred tax (benefit) expense:
U.S. federal	(24.9)	(36.8)	(2.5)
U.S. state and local	(2.6)	(3.6)	0.7
Foreign	(0.3)	15.5	(70.3)
Total deferred	(27.8)	(24.9)	(72.1)
Total provision	$ (21.3)	$ (11.5)	$ (7.9)