Restructuring Activities - Schedule of CTO2Grow Program Restructuring Spend Estimated (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Total Restructuring Program Range
Other associated costs	$ 6.8	$ (0.2)
Contract terminations	(0.1)	0.0
Capital expenditures	0.0	$ 0.0
CTO2 Grow Program
Less Program Activity to Date
Costs of reduction in headcount as a result of reorganization	(32.0)
Other associated costs	(8.0)
Contract terminations	(15.0)
Total cash expense	(55.0)
Capital expenditures	0.0
Total estimated cash cost	(55.0)
Total estimated non-cash expense	(33.0)
Total estimated expense	(88.0)
CTO2 Grow Program | Minimum
Total Restructuring Program Range
Costs of reduction in headcount as a result of reorganization	90.0
Other associated costs	20.0
Contract terminations	25.0
Total cash expense	135.0
Capital expenditures	5.0
Total estimated cash cost	140.0
Total estimated non-cash expense	33.0
Total estimated expense	168.0
Remaining Restructuring
Costs of reduction in headcount as a result of reorganization	58.0
Other associated costs	12.0
Contract terminations	10.0
Total cash expense	80.0
Capital expenditures	5.0
Total estimated cash cost	85.0
Total estimated non-cash expense	0.0
Total estimated expense	80.0
CTO2 Grow Program | Maximum
Total Restructuring Program Range
Costs of reduction in headcount as a result of reorganization	95.0
Other associated costs	25.0
Contract terminations	30.0
Total cash expense	150.0
Capital expenditures	10.0
Total estimated cash cost	160.0
Total estimated non-cash expense	33.0
Total estimated expense	183.0
Remaining Restructuring
Costs of reduction in headcount as a result of reorganization	63.0
Other associated costs	17.0
Contract terminations	15.0
Total cash expense	95.0
Capital expenditures	10.0
Total estimated cash cost	105.0
Total estimated non-cash expense	0.0
Total estimated expense	$ 95.0