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Restructuring Activities - Schedule of CTO2Grow Program Restructuring Spend Estimated (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Total Restructuring Program Range |  |  |  |
Other associated costs | $ 6.4 | $ 0.1 | $ 13.2 | $ (0.1)
Contract terminations | 0.0 | 0.0 | (0.1) | 0.0
Capital expenditures | 0.4 | $ 0.0 | 0.4 | $ 0.0
CTO2 Grow Program |  |  |  |
Less Program Activity to Date |  |  |  |
Costs of reduction in headcount as a result of reorganization | (35.0) |  | (35.0) |
Other associated costs | (15.0) |  | (15.0) |
Contract terminations | (15.0) |  | (15.0) |
Total cash expense | (65.0) |  | (65.0) |
Capital expenditures | 0.0 |  | 0.0 |
Total estimated cash cost | (65.0) |  | (65.0) |
Total estimated non-cash expense | (33.0) |  | (33.0) |
Total estimated expense | (98.0) |  | (98.0) |
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 |  | 140.0 |
Total estimated non-cash expense | 33.0 |  | 33.0 |
Total estimated expense | 168.0 |  | 168.0 |
Remaining Restructuring |  |  |  |
Costs of reduction in headcount as a result of reorganization | 55.0 |  | 55.0 |
Other associated costs | 5.0 |  | 5.0 |
Contract terminations | 10.0 |  | 10.0 |
Total cash expense | 70.0 |  | 70.0 |
Capital expenditures | 5.0 |  | 5.0 |
Total estimated cash cost | 75.0 |  | 75.0 |
Total estimated non-cash expense | 0.0 |  | 0.0 |
Total estimated expense | 70.0 |  | 70.0 |
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 |  | 160.0 |
Total estimated non-cash expense | 33.0 |  | 33.0 |
Total estimated expense | 183.0 |  | 183.0 |
Remaining Restructuring |  |  |  |
Costs of reduction in headcount as a result of reorganization | 60.0 |  | 60.0 |
Other associated costs | 10.0 |  | 10.0 |
Contract terminations | 15.0 |  | 15.0 |
Total cash expense | 85.0 |  | 85.0 |
Capital expenditures | 10.0 |  | 10.0 |
Total estimated cash cost | 95.0 |  | 95.0 |
Total estimated non-cash expense | 0.0 |  | 0.0 |
Total estimated expense | $ 85.0 |  | $ 85.0 |

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