Income Taxes - Change in Valuation Allowance (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred Tax Valuation Allowance [Roll Forward]
Balance at beginning of period	$ 394.5	$ 450.7	$ 414.8
Change in assessment	48.3	(14.8)	39.1
Current year operations, foreign currency and other	(1.9)	(41.4)	(3.2)
Balance at end of period	440.9	394.5	450.7
Increase related to pre-acquisition net operating losses	$ 45.0
Reduction from projected utilization of capital losses		$ 16.0
Latin America Businesses
Deferred Tax Valuation Allowance [Roll Forward]
Change in assessment			$ 40.0