Other Expense, Net - Schedule of Other Nonoperating Income (Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Oct. 01, 2017	Oct. 02, 2016
Other Income and Expenses [Abstract]
Interest income	$ 0.2	$ 0.2	$ 0.5	$ 0.3
Interest expense	(0.7)	(0.9)	(1.8)	(2.7)
Dividend income	0.0	0.0	0.7	0.6
Foreign exchange gain (loss)	0.1	0.3	(1.9)	0.5
Other expense, net	$ (0.4)	$ (0.4)	$ (2.5)	$ (1.3)