Other Comprehensive Earnings (Loss) - Schedule of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Other comprehensive earnings (loss), tax effect:
Tax benefit on unrealized holding gains	$ 0.0	$ 0.1
Tax expense on cash flow hedging activities	(1.0)	(7.2)
Reclassifications to earnings, tax effect:
Tax expense on cash flow hedging activities	0.2	0.3
Amortization of unrecognized pension and postretirement amounts	(0.1)	(0.1)
Total tax effect on other comprehensive earnings (loss)	$ (0.9)	$ (6.9)