Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning	$ 5,668.0	$ 6,170.5
Other comprehensive income (loss), net of tax	(15.6)	72.2
Balance, ending	5,700.6	6,205.4
Fair value of derivative financial instruments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning	(15.5)
OCI before reclassifications	(1.2)
Amounts reclassified from AOCI	2.9
Other comprehensive income (loss), net of tax	1.7
Balance, ending	(13.8)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning	104.5
OCI before reclassifications	(16.8)
Amounts reclassified from AOCI	0.0
Other comprehensive income (loss), net of tax	(16.8)
Balance, ending	87.7
Post-Retirement and Pension Liability Adjustments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning	(4.4)
OCI before reclassifications	(0.5)
Amounts reclassified from AOCI	0.0
Other comprehensive income (loss), net of tax	(0.5)
Balance, ending	(4.9)
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning	84.6	253.1
OCI before reclassifications	(18.5)
Amounts reclassified from AOCI	2.9
Other comprehensive income (loss), net of tax	(15.6)	72.2
Balance, ending	$ 69.0	$ 324.3