Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income [Roll Forward]
Balance	$ 5,655.1	$ 5,803.8	$ 5,668.0
OCI before reclassifications	(357.4)	217.6
Amounts reclassified from AOCI	(2.1)	38.0
Other comprehensive income (loss), net of tax	(359.5)	255.6	54.8
Balance	5,151.7	5,655.1	5,803.8
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income [Roll Forward]
Balance	395.0	139.4	84.6
Other comprehensive income (loss), net of tax	(359.5)	255.6	54.8
Balance	35.5	395.0	139.4
Fair Value of Derivative Financial Instruments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance	(0.7)	12.7
OCI before reclassifications	(24.9)	(12.2)
Amounts reclassified from AOCI	3.6	(1.2)
Other comprehensive income (loss), net of tax	(21.3)	(13.4)
Balance	(22.0)	(0.7)	12.7
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income [Roll Forward]
Balance	407.3	132.9
OCI before reclassifications	(339.9)	228.0
Amounts reclassified from AOCI	0.0	46.4
Other comprehensive income (loss), net of tax	(339.9)	274.4
Balance	67.4	407.3	132.9
Post-Retirement and Pension Liability Adjustments, net of tax
Accumulated Other Comprehensive Income [Roll Forward]
Balance	(11.6)	(6.2)
OCI before reclassifications	7.4	1.8
Amounts reclassified from AOCI	(5.7)	(7.2)
Other comprehensive income (loss), net of tax	1.7	(5.4)
Balance	$ (9.9)	$ (11.6)	$ (6.2)