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Restructuring Activities - CTO2Grow Program Restructuring Spend Estimated (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Total Restructuring Program Range |  |  |  |
Other associated costs | $ 9.0 | $ 34.6 | $ 22.2 | $ 34.5
Contract terminations | 0.0 | 15.3 | (0.1) | 15.3
Capital expenditures | 0.3 | $ 0.0 | 0.7 | $ 0.0
CTO2 Grow Program |  |  |  |
Less Program Activity to Date |  |  |  |
Costs of reduction in headcount as a result of reorganization | (42.0) |  | (42.0) |
Other associated costs | (22.0) |  | (22.0) |
Contract terminations | (15.0) |  | (15.0) |
Capital expenditures | (1.0) |  | (1.0) |
Total cash expense | (79.0) |  | (79.0) |
Total estimated cash cost | (80.0) |  | (80.0) |
Total estimated non-cash expense | (34.0) |  | (34.0) |
Total estimated expense | (113.0) |  | (113.0) |
CTO2 Grow Program | Minimum |  |  |  |
Total Restructuring Program Range |  |  |  |
Costs of reduction in headcount as a result of reorganization |  |  | 75.0 |
Other associated costs |  |  | 45.0 |
Contract terminations |  |  | 15.0 |
Total cash expense |  |  | 135.0 |
Capital expenditures |  |  | 5.0 |
Total estimated cash cost | 140.0 |  | 140.0 |
Total estimated non-cash expense | 34.0 |  | 34.0 |
Total estimated expense | 169.0 |  | 169.0 |
Remaining Restructuring |  |  |  |
Costs of reduction in headcount as a result of reorganization | 33.0 |  | 33.0 |
Other associated costs | 23.0 |  | 23.0 |
Contract terminations | 0.0 |  | 0.0 |
Total cash expense | 56.0 |  | 56.0 |
Capital expenditures | 4.0 |  | 4.0 |
Total estimated cash cost | 60.0 |  | 60.0 |
Total estimated non-cash expense | 0.0 |  | 0.0 |
Total estimated expense | 56.0 |  | 56.0 |
CTO2 Grow Program | Maximum |  |  |  |
Total Restructuring Program Range |  |  |  |
Costs of reduction in headcount as a result of reorganization |  |  | 85.0 |
Other associated costs |  |  | 50.0 |
Contract terminations |  |  | 20.0 |
Total cash expense |  |  | 155.0 |
Capital expenditures |  |  | 5.0 |
Total estimated cash cost | 160.0 |  | 160.0 |
Total estimated non-cash expense | 34.0 |  | 34.0 |
Total estimated expense | 189.0 |  | 189.0 |
Remaining Restructuring |  |  |  |
Costs of reduction in headcount as a result of reorganization | 43.0 |  | 43.0 |
Other associated costs | 28.0 |  | 28.0 |
Contract terminations | 5.0 |  | 5.0 |
Total cash expense | 76.0 |  | 76.0 |
Capital expenditures | 4.0 |  | 4.0 |
Total estimated cash cost | 80.0 |  | 80.0 |
Total estimated non-cash expense | 0.0 |  | 0.0 |
Total estimated expense | $ 76.0 |  | $ 76.0 |

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