Accumulated Other Comprehensive Income (Loss) - Summary (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	$ 3,745.3	$ 3,583.9
Other comprehensive income (loss) before reclassifications	(13.5)	(49.0)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.7	1.2
Balance at end of period	3,708.9	3,678.2
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(57.1)	(94.5)
Balance at end of period	(69.9)	(142.3)
Foreign currency translation adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(52.6)	26.2
Other comprehensive income (loss) before reclassifications	(36.3)	(50.0)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.0	0.0
Balance at end of period	(88.9)	(23.8)
Defined benefit pension plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(11.9)	(120.3)
Other comprehensive income (loss) before reclassifications	0.0	0.0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	(0.1)	0.4
Balance at end of period	(12.0)	(119.9)
Derivative financial instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	7.4	(0.4)
Other comprehensive income (loss) before reclassifications	22.8	1.0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	0.8	0.8
Balance at end of period	$ 31.0	$ 1.4