Income Taxes - Significant Components (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ (1.3)	$ 1.7	$ (0.2)
State and local	3.5	3.2	1.9
Foreign	15.4	16.5	12.2
Total current	17.6	21.4	13.9
Deferred:
Federal	(5.6)	(5.8)	7.5
State and local	1.9	1.1	(2.9)
Foreign	2.0	(3.2)	(3.6)
Total deferred	(1.7)	(7.9)	1.0
Income tax expense, net	$ 15.9	$ 13.5	$ 14.9