Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2019	Sep. 27, 2018	Sep. 26, 2019	Sep. 27, 2018
Other Nonoperating Income (Expense) [Abstract]
Kansas Development Finance Authority bond	$ 0.8	$ 0.8	$ 2.8	$ 2.9
Rental and miscellaneous income	0.0	0.6	0.1	(0.7)
Interest Income, Other	2.6	2.1	8.8	5.0
Foreign currency losses (1)	(17.9)	(1.8)	(9.9)	(3.3)
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments	(0.5)	1.1	(18.3)	(18.1)
Gain (Loss) Related to Litigation Settlement	0.0		13.5
Gain (Loss) on Sale of Accounts Receivable	(6.5)	(4.0)	(18.7)	(12.3)
Pension Income (Expense) without Service Cost	12.0	8.6	9.8	25.7
Total	$ (9.5)	$ 7.4	$ (11.9)	$ (0.8)