Other Comprehensive Earnings (Loss) - Schedule of Other Comprehensive Income (Loss), Tax Effect (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 25, 2022	Dec. 26, 2021
Other comprehensive earnings (loss), tax effect:
Tax benefit on unrealized holding gains	$ 0.0	$ 0.1	$ 0.0
Tax benefit (expense) on cash flow hedging activities	2.8	(1.3)	(1.0)
Tax expense on foreign currency translation amounts	0.0	0.0	(7.2)
Tax expense on changes in unrecognized pension amounts	0.0	(5.9)	(1.5)
Reclassifications to earnings, tax effect:
Tax (benefit) expense on cash flow hedging activities	(1.9)	1.6	(0.5)
Tax expense (benefit) on amortization of unrecognized pension and postretirement amounts reclassified to the consolidated statements of operations	0.1	(0.3)	(0.6)
Total tax effect on other comprehensive earnings (loss)	$ 1.0	$ (5.8)	$ (10.8)