Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2018	Mar. 30, 2017
Other Nonoperating Income (Expense) [Abstract]
Kansas Development Finance Authority bond	$ 1.2	$ 1.0
Rental and miscellaneous income	0.1	0.1
Interest Income, Other	1.2	1.0
Foreign currency losses	(3.1)	(0.6)
Gain (Loss) on Sale of Accounts Receivable	(3.7)	0.0
pension income (expense) without service cost	8.4	9.2
Total	$ 4.1	$ 10.7