Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 104.6	$ 85.9	$ 179.9	$ 152.4
Other comprehensive income (loss):
Foreign exchange translation adjustment	(4.6)	(59.3)	12.4	(42.1)
Hedge activity, net of tax	1.3		3.1
Hedge activity, net of tax		(2.9)		(4.5)
Pension and postretirement benefit adjustments, net of tax	4.9	5.1	9.5	9.4
Other comprehensive income (loss)	1.6	(57.1)	25.0	(37.2)
Comprehensive income	$ 106.2	$ 28.8	$ 204.9	$ 115.2