Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2020	Mar. 28, 2019
Other Income (Loss) [Line Items]
Kansas Development Finance Authority bond	$ 1.1	$ 1.2
Rental and miscellaneous income	0.0	0.1
Interest Income, Other	6.9	3.2
Foreign currency gains (losses) (1)	5.4	(2.0)
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	0.1	(15.4)
Gain (Loss) on Sale of Accounts Receivable	(3.1)	(4.6)
Pension Income (Expense) without Service Cost	(59.6)	6.5
VRP pension expense	69.2
Other Noninterest Expense	0.2	0.0
Total	$ (49.0)	$ (11.0)