Schedule of Changes in Unrecognized Income Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022
Income Tax Uncertainties [Abstract]
Unrecognized tax benefits classified within deferred taxes as a reduction of net operating loss carryforwards	$ 6.9	$ 7.2	$ 7.8
Reconciliation Of Unrecognized Tax Benefits Excluding Amounts Pertaining To Examined Tax Returns Roll Forward
Decreases in prior period tax positions	(0.9)	0.0	(3.3)
Unrecognized tax benefits	7.8	8.9	9.1	$ 14.2
Settlements	(0.2)	0.0	0.0
Expiration of the statute of limitations	0.0	(1.4)	(1.8)
Ending balance	7.8	8.9	9.1
Increases in prior period tax positions	0.0	1.2	$ 0.0
Income tax penalties and interest accrued	0.8	$ 1.3
Unrecognized tax benefits that would impact effective tax rate	0.9
Unrecognized tax benefits that will be recognized within 12 months of year end	$ 0.5