Other Comprehensive Earnings (Loss) - Schedule of Other Comprehensive Income (Loss), Tax Effect (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Other comprehensive earnings (loss), tax effect:
Tax benefit (expense) on unrealized holding gains (losses)	$ 0.1	$ 0.0	$ (0.2)
Tax expense on cash flow hedging activities	(1.3)	(1.0)	(3.4)
Tax (expense) benefit on foreign currency translation amounts	0.0	(7.2)	2.1
Tax (expense) benefit on changes in unrecognized pension amounts	(5.9)	(1.5)	2.6
Reclassifications to earnings, tax effect:
Tax expense (benefit) on cash flow hedging activities	1.6	(0.5)	4.3
Tax benefit on amortization of unrecognized pension and postretirement amounts reclassified to the consolidated statements of operations	(0.3)	(0.6)	(0.8)
Total tax effect on other comprehensive earnings (loss)	$ (5.8)	$ (10.8)	$ 4.6