Accumulated Other Comprehensive Income (Loss) - Changes in AOCI (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 572.0	$ 612.8
Ending balance	566.2	590.2
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2.1	5.2
Other comprehensive loss before reclassifications	(0.9)	2.6
Amounts reclassified from accumulated other comprehensive income (loss)	(3.5)	(2.6)
Tax effects	(1.2)	(1.0)
Ending balance	(3.5)	4.2
Foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(0.7)	(3.4)
Other comprehensive loss before reclassifications	(2.7)	1.1
Amounts reclassified from accumulated other comprehensive income (loss)	0.5	1.1
Tax effects	(0.6)	(0.8)
Ending balance	(3.5)	(2.0)
Unrealized gain (loss) on interest rate swaps
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2.8	8.6
Other comprehensive loss before reclassifications	1.8	1.5
Amounts reclassified from accumulated other comprehensive income (loss)	(4.0)	(3.7)
Tax effects	(0.6)	(0.2)
Ending balance	$ 0.0	$ 6.2