Accumulated Other Comprehensive Loss - Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	$ 4,206.9
Total other comprehensive income (loss), net of income taxes	7.9	$ (81.6)	$ (51.7)
Balance, end of period	4,173.9	4,206.9
Accumulated Other Comprehensive Loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(225.1)	(143.5)	(91.8)
Decrease	6.1	(53.7)	(44.7)
Income tax impact	4.5	(26.1)	(23.2)
Other comprehensive (loss) income before reclassifications, net of income taxes	10.6	(79.8)	(67.9)
Increase	(3.3)	(2.3)	20.9
Income tax impact	0.6	0.5	(4.7)
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	(2.7)	(1.8)	16.2
Total other comprehensive income (loss), net of income taxes	7.9	(81.6)	(51.7)
Balance, end of period	(217.2)	(225.1)	(143.5)
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	(240.5)	(139.6)	(62.5)
Decrease	13.8	(80.5)	(72.7)
Income tax impact	3.0	(20.4)	(17.0)
Other comprehensive (loss) income before reclassifications, net of income taxes	16.8	(100.9)	(89.7)
Increase	0.0	0.0	15.9
Income tax impact	0.0	0.0	(3.3)
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	0.0	0.0	12.6
Total other comprehensive income (loss), net of income taxes	16.8	(100.9)	(77.1)
Balance, end of period	(223.7)	(240.5)	(139.6)
Unrealized Gain (Loss) on Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	0.0	(1.7)	(6.3)
Decrease	0.0	2.2	6.1
Income tax impact	0.0	(0.5)	(1.5)
Other comprehensive (loss) income before reclassifications, net of income taxes	0.0	1.7	4.6
Increase	0.0	0.0	0.0
Income tax impact	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 income (loss), net of income taxes	0.0	1.7	4.6
Balance, end of period	0.0	0.0	(1.7)
Unrealized Pension Costs
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance, beginning of period	15.4	(2.2)	(23.0)
Decrease	(7.7)	24.6	21.9
Income tax impact	1.5	(5.2)	(4.7)
Other comprehensive (loss) income before reclassifications, net of income taxes	(6.2)	19.4	17.2
Increase	(3.3)	(2.3)	5.0
Income tax impact	0.6	0.5	(1.4)
Amounts reclassified from accumulated other comprehensive loss, net of income taxes	(2.7)	(1.8)	3.6
Total other comprehensive income (loss), net of income taxes	(8.9)	17.6	20.8
Balance, end of period	$ 6.5	$ 15.4	$ (2.2)