Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ 9,846.7	$ 9,257.2
Other comprehensive income (loss)	(75.8)	26.2
Balance at end of period	9,919.7	9,381.7
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(227.6)	(251.7)
Other comprehensive income (loss) before reclassifications	(68.0)	31.2
Amounts reclassified from accumulated other comprehensive loss	(7.0)	(5.9)
Other comprehensive income (loss)	(75.0)	25.3
Balance at end of period	(302.6)	(226.4)
Foreign Currency Translation Adjustments, Net
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(248.0)	(282.8)
Other comprehensive income (loss) before reclassifications	(70.4)	34.8
Amounts reclassified from accumulated other comprehensive loss	(3.1)	(4.0)
Other comprehensive income (loss)	(73.5)	30.8
Balance at end of period	(321.5)	(252.0)
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	12.2	16.0
Other comprehensive income (loss) before reclassifications	3.4	(3.8)
Amounts reclassified from accumulated other comprehensive loss	(3.5)	(1.5)
Other comprehensive income (loss)	(0.1)	(5.3)
Balance at end of period	12.1	10.7
Pension and Other Postretirement Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	8.2	15.1
Other comprehensive income (loss) before reclassifications	(1.0)	0.2
Amounts reclassified from accumulated other comprehensive loss	(0.4)	(0.4)
Other comprehensive income (loss)	(1.4)	(0.2)
Balance at end of period	$ 6.8	$ 14.9