Income Taxes - Reconciliation of Income Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Amount
Tax provision at U.S. statutory rate	$ (5.1)	$ 15.4	$ 20.4
Foreign income tax rate differential	(2.1)	2.9	2.5
Income from passthrough entities	3.3	4.2	2.3
Branch earnings	0.2	(0.9)	0.0
Global intangible low tax inclusion	0.5	4.7	4.8
Subpart F income	0.7	1.0	0.6
Foreign derived intangible income	(0.7)	(0.8)	(0.3)
State income tax, net of federal benefit	(2.3)	0.5	1.8
Adjustments to valuation allowances	(8.4)	57.0	(3.9)
Capital loss carryforward	0.0	(86.5)	0.0
Other tax credits	(2.7)	(1.4)	(0.8)
Foreign tax credits	(2.8)	(11.0)	(9.9)
Other foreign operational taxes	4.1	2.6	2.9
Base erosion minimum tax amount	(2.0)	2.4	0.0
Remeasurement of deferred taxes due to tax law	(2.9)	0.1	0.3
Non-deductible compensation expense	1.4	0.6	(0.3)
Non-deductible acquisition expense	5.4	0.0	0.0
Uncertain tax positions	1.1	0.3	0.2
Other, net	(0.3)	(0.5)	(2.2)
Provision for income taxes	$ (12.6)	$ (9.4)	$ 18.4
Percent
Tax provision at U.S. statutory rate	21.00%	21.00%	21.00%
Foreign income tax rate differential	8.80%	4.00%	2.60%
Income from passthrough entities	(13.30%)	5.70%	2.30%
Branch earnings	(1.00%)	(1.20%)	0.00%
Global intangible low tax inclusion	(2.10%)	6.40%	4.80%
Subpart F income	(2.70%)	1.30%	0.60%
Foreign derived intangible income	2.90%	(1.00%)	(0.30%)
State income tax, net of federal benefit	9.50%	0.70%	1.80%
Adjustments to valuation allowances	34.50%	78.00%	(3.90%)
Capital loss carryforward	0.00%	(118.30%)	0.00%
Other tax credits	10.70%	(2.00%)	(0.80%)
Foreign tax credits	11.20%	(15.00%)	(10.00%)
Other foreign operational taxes	(16.80%)	3.60%	2.90%
Base erosion minimum tax amount	8.10%	3.30%	0.00%
Remeasurement of deferred taxes due to tax law	12.00%	0.10%	0.30%
Non-deductible compensation expense	(5.60%)	0.80%	(0.30%)
Non-deductible acquisition expense	(21.90%)	0.00%	0.00%
Uncertain tax positions	(4.60%)	0.40%	0.20%
Other, net	0.90%	(0.70%)	(2.30%)
Provision for income taxes	51.60%	(12.90%)	18.90%