Supplemental Financial Data - Deferred Tax Asset Valuation Allowance (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Additions charged (credited) to costs and expenses	$ 0.6	$ 4.2
Additions charged (credited) due to foreign currency fluctuations	(3.0)	(1.6)
Additions charged (credited) to other accounts	0.0	0.2
Balance at end of period	37.0
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 39.4	36.6	$ 33.8
Additions charged (credited) to costs and expenses			0.5
Additions charged (credited) due to foreign currency fluctuations			2.3
Additions charged (credited) to other accounts			0.0
Balance at end of period		$ 39.4	$ 36.6