Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 60.6	$ 9.0	$ 167.0	$ 72.9
Other comprehensive income (loss):
Foreign currency translation adjustments	86.7	27.8	(5.5)	11.0
Change in fair value of derivative financial instruments, net of tax	(0.7)	2.7	(10.1)	4.4
Change in post-retirement and pension liability, net of tax	(1.2)	0.0	(3.1)	(0.5)
Other comprehensive income (loss), net of tax	84.8	30.5	(18.7)	14.9
Comprehensive income	$ 145.4	$ 39.5	$ 148.3	$ 87.8