Schedule of Income Tax Provision (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022
Components Of Income Tax Expense Benefit Continuing Operations Abstract
Current: Federal	$ 3.0	$ 5.0	$ 0.7
Current: State	0.5	3.7	(0.3)
Current: Foreign	7.8	10.0	9.4
Total Current	11.3	18.7	9.8
Deferred: Federal	(96.1)	(3.3)	18.6
Deferred: State	(42.5)	0.2	(0.9)
Deferred: Foreign	(0.9)	(0.1)	(0.7)
Total Deferred	(139.5)	(3.2)	17.0
Income tax provision (benefit)	$ (128.2)	$ 15.5	$ 26.8