Shareholders' Equity - Accumulated Other Comprehensive Income (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	$ 1,125.7
Balance at end of period	1,227.1
Foreign Currency Translation
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	(3.1)
Other comprehensive income (loss) before reclassifications	(15.7)
Realized gain on amounts reclassified from other comprehensive income	0.0
Net current period other comprehensive income (loss)	(15.7)
Balance at end of period	(18.8)
Derivatives Designated as Hedging Instruments
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	4.1
Other comprehensive income (loss) before reclassifications	(5.1)
Realized gain on amounts reclassified from other comprehensive income	0.0
Net current period other comprehensive income (loss)	(5.1)
Balance at end of period	(1.0)
Pension Liability Adjustment
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	13.8
Other comprehensive income (loss) before reclassifications	0.1
Realized gain on amounts reclassified from other comprehensive income	0.7
Net current period other comprehensive income (loss)	0.8
Balance at end of period	14.6
Accumulated Other Comprehensive Income (Loss)
Summary of the components of accumulated other comprehensive income, net of tax
Balance at beginning of period	14.8
Other comprehensive income (loss) before reclassifications	(20.7)
Realized gain on amounts reclassified from other comprehensive income	0.7
Net current period other comprehensive income (loss)	(20.0)
Balance at end of period	$ (5.2)