Other Income (Expense), Net - Schedule of Other Nonoperating Income (Expense) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018
Other Income and Expenses [Abstract]
Interest income	$ 0.2	$ 0.2	$ 0.4	$ 0.4
Interest expense	(1.2)	(0.8)	(2.3)	(1.6)
Dividend income	1.3	0.8	1.3	0.8
Foreign exchange losses (gains)	(0.1)	0.4	(0.7)	(0.7)
Other	0.0	0.0	0.4	0.0
Other income (expense), net	$ 0.2	$ 0.6	$ (0.9)	$ (1.1)