Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jul. 03, 2021	Apr. 03, 2021	Jun. 27, 2020	Mar. 28, 2020	Jul. 03, 2021	Jun. 27, 2020
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning	$ 5,558.0	$ 5,655.1	$ 5,786.4	$ 5,803.8	$ 5,655.1	$ 5,803.8
OCI before reclassifications					(87.9)
Amounts reclassified from AOCI					0.0
Other comprehensive income (loss), net of tax	30.4	(118.3)	84.8	(103.5)	(87.9)	(18.7)
Balance, ending	5,511.1	5,558.0	5,910.4	5,786.4	5,511.1	5,910.4
Fair Value of Derivative Financial Instruments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning		(0.7)			(0.7)
OCI before reclassifications					(7.3)
Amounts reclassified from AOCI					0.0
Other comprehensive income (loss), net of tax					(7.3)
Balance, ending	(8.0)				(8.0)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning		407.3			407.3
OCI before reclassifications					(79.1)
Amounts reclassified from AOCI					0.0
Other comprehensive income (loss), net of tax					(79.1)
Balance, ending	328.2				328.2
Post-Retirement and Pension Liability Adjustments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning		(11.6)			(11.6)
OCI before reclassifications					(1.5)
Amounts reclassified from AOCI					0.0
Other comprehensive income (loss), net of tax					(1.5)
Balance, ending	(13.1)				(13.1)
Total AOCI
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning	276.7	395.0	35.9	139.4	395.0	139.4
Other comprehensive income (loss), net of tax	30.4	(118.3)	84.8	(103.5)
Balance, ending	$ 307.1	$ 276.7	$ 120.7	$ 35.9	$ 307.1	$ 120.7