Comprehensive Income - Components of Other Comprehensive Income and Income Tax Allocated (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income Loss [Line Items]
Other Comprehensive income, Before Tax Amount	$ 0.7	$ 0.6
Other Comprehensive income, Income Tax	0.2	0.2
Other Comprehensive income, Net of Tax Amount	0.5	0.4
Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Other Comprehensive income, Before Tax Amount	0.1
Other Comprehensive income, Net of Tax Amount	0.1
De-designation of interest rate collars
Accumulated Other Comprehensive Income Loss [Line Items]
Other Comprehensive income, Before Tax Amount	0.6	0.6
Other Comprehensive income, Income Tax	0.2	0.2
Other Comprehensive income, Net of Tax Amount	$ 0.4	$ 0.4