Accumulated Other Comprehensive Loss - Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	$ 3,721.0
Total other comprehensive (loss) income, net of income taxes	(51.7)	$ 52.4	$ (66.0)
Balance, end of period	4,058.0	3,721.0
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(91.8)	(144.2)	(78.2)
Increase (decrease) before reclassifications	(44.7)	21.5	(78.4)
Income tax impact	(23.2)	28.8	11.9
Other comprehensive (loss) income before reclassifications, net of income taxes	(67.9)	50.3	(66.5)
Increase	20.9	2.9	0.6
Income tax impact, reclassified	(4.7)	(0.8)	(0.1)
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	16.2	2.1	0.5
Total other comprehensive (loss) income, net of income taxes	(51.7)	52.4	(66.0)
Balance, end of period	(143.5)	(91.8)	(144.2)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(62.5)	(116.4)	(74.3)
Increase (decrease) before reclassifications	(72.7)	26.0	(46.6)
Income tax impact	(17.0)	27.9	4.5
Other comprehensive (loss) income before reclassifications, net of income taxes	(89.7)	53.9	(42.1)
Increase	15.9	0.0	0.0
Income tax impact, reclassified	(3.3)	0.0	0.0
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	12.6	0.0	0.0
Total other comprehensive (loss) income, net of income taxes	(77.1)	53.9	(42.1)
Balance, end of period	(139.6)	(62.5)	(116.4)
Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(6.3)	0.1	0.0
Increase (decrease) before reclassifications	6.1	(8.4)	0.1
Income tax impact	(1.5)	2.0	0.0
Other comprehensive (loss) income before reclassifications, net of income taxes	4.6	(6.4)	0.1
Increase	0.0	0.0	0.0
Income tax impact, reclassified	0.0	0.0	0.0
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	0.0	0.0	0.0
Total other comprehensive (loss) income, net of income taxes	4.6	(6.4)	0.1
Balance, end of period	(1.7)	(6.3)	0.1
Unrealized Pension Costs
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(23.0)	(27.9)	(3.9)
Increase (decrease) before reclassifications	21.9	3.9	(31.9)
Income tax impact	(4.7)	(1.1)	7.4
Other comprehensive (loss) income before reclassifications, net of income taxes	17.2	2.8	(24.5)
Increase	5.0	2.9	0.6
Income tax impact, reclassified	(1.4)	(0.8)	(0.1)
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	3.6	2.1	0.5
Total other comprehensive (loss) income, net of income taxes	20.8	4.9	(24.0)
Balance, end of period	$ (2.2)	$ (23.0)	$ (27.9)