Comprehensive Income - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax
Beginning Balance	$ 226.0
Ending Balance	225.2
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax
Beginning Balance	(1.8)	$ (2.3)
Other comprehensive income before reclassification	0.2	0.1
Ending Balance	(1.6)	(2.2)
Interest Rate Collars
AOCI Attributable to Parent, Net of Tax
Beginning Balance		(0.5)
Amounts reclassified from accumulated other comprehensive loss		0.4
Ending Balance		(0.1)
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax
Beginning Balance	(1.8)	(2.8)
Other comprehensive income before reclassification	0.2	0.1
Amounts reclassified from accumulated other comprehensive loss		0.4
Ending Balance	$ (1.6)	$ (2.3)