Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) and Income Tax Benefit Allocated (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income Loss [Line Items]
Other Comprehensive (loss) income, Before Tax Amount	$ 0.6	$ (4.0)
Other Comprehensive (loss) income, Income Tax	0.2	(1.0)
Other Comprehensive (loss) income, Net of Tax Amount	0.4	(3.0)
Change in Fair Value of Interest Rate Collars
Accumulated Other Comprehensive Income Loss [Line Items]
Other Comprehensive (loss) income, Before Tax Amount	0.6	(3.8)
Other Comprehensive (loss) income, Income Tax	0.2	(1.0)
Other Comprehensive (loss) income, Net of Tax Amount	$ 0.4	(2.8)
Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Other Comprehensive (loss) income, Before Tax Amount		(0.2)
Other Comprehensive (loss) income, Net of Tax Amount		$ (0.2)