Shareholders' Equity - Accumulated Other Comprehensive Income (Details) $ in Millions	6 Months Ended
	Jun. 30, 2021 USD ($)
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	$ 974.3
Balance at end of period	1,015.4
Foreign Currency Translation
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	140.9
Other comprehensive (loss) income before reclassifications, net of tax	(51.5)
Net current period other comprehensive (loss) income	(51.5)
Balance at end of period	89.4
Derivatives Designated as Hedging Instruments
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	(91.5)
Other comprehensive (loss) income before reclassifications, net of tax	48.8
Net current period other comprehensive (loss) income	48.8
Balance at end of period	(42.7)
Pension Liability Adjustment
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	(45.7)
Other comprehensive (loss) income before reclassifications, net of tax	1.7
Realized loss on amounts reclassified from other comprehensive income (loss), net of tax	1.6
Net current period other comprehensive (loss) income	3.3
Balance at end of period	(42.4)
Accumulated Other Comprehensive Income (Loss)
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	3.7
Other comprehensive (loss) income before reclassifications, net of tax	(1.0)
Realized loss on amounts reclassified from other comprehensive income (loss), net of tax	1.6
Net current period other comprehensive (loss) income	0.6
Balance at end of period	$ 4.3