Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	$ 4,070.0
Balance at the end of the period	4,138.8
Reclassification from AOCI, tax benefit		$ 0.1
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	(168.8)	(160.6)
Other comprehensive income (loss) before reclassifications	(29.3)	5.0
Amounts reclassified from accumulated other comprehensive income (loss) - net of tax provision	0.0	0.2
Net current period other comprehensive income (loss)	(29.3)	5.2
Balance at the end of the period	(198.1)	(155.4)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	(174.4)	(135.5)
Other comprehensive income (loss) before reclassifications	(28.1)	0.6
Amounts reclassified from accumulated other comprehensive income (loss) - net of tax provision	0.0	0.0
Net current period other comprehensive income (loss)	(28.1)	0.6
Balance at the end of the period	(202.5)	(134.9)
Interest Rate Swaps
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	0.0	(3.2)
Other comprehensive income (loss) before reclassifications	0.0	3.7
Amounts reclassified from accumulated other comprehensive income (loss) - net of tax provision	0.0	0.2
Net current period other comprehensive income (loss)	0.0	3.9
Balance at the end of the period	0.0	0.7
Other
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at the beginning of the period	5.6	(21.9)
Other comprehensive income (loss) before reclassifications	(1.2)	0.7
Amounts reclassified from accumulated other comprehensive income (loss) - net of tax provision	0.0	0.0
Net current period other comprehensive income (loss)	(1.2)	0.7
Balance at the end of the period	$ 4.4	$ (21.2)