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Restructuring Activities - Schedule of CTO2Grow Program Restructuring Spend Estimated (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Total Restructuring Program Range |  |  |  |
Other associated costs | $ 34.6 | $ 1.6 | $ 34.5 | $ 8.5
Contract terminations | 15.3 | 0.0 | 15.3 | 0.0
Capital expenditures | 0.0 | $ 3.3 | 0.0 | $ 9.1
CTO2 Grow Program |  |  |  |
Less Program to Date |  |  |  |
Costs of reduction in headcount as a result of reorganization | (11.0) |  | (11.0) |
Other associated costs | 0.0 |  | 0.0 |
Contract terminations | (15.0) |  | (15.0) |
Total cash expense | 26.0 |  | 26.0 |
Capital expenditures | 0.0 |  | 0.0 |
Total estimated cash cost | (26.0) |  | (26.0) |
Total estimated non-cash expense | (34.0) |  | (34.0) |
Total estimated expense | (60.0) |  | (60.0) |
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 | 34.0 |  | 34.0 |
Total estimated expense | 169.0 |  | 169.0 |
Remaining Restructuring |  |  |  |
Costs of reduction in headcount as a result of reorganization | 79.0 |  | 79.0 |
Other associated costs | 20.0 |  | 20.0 |
Contract terminations | 10.0 |  | 10.0 |
Total cash expense | 109.0 |  | 109.0 |
Capital expenditures | 5.0 |  | 5.0 |
Total estimated cash cost | 114.0 |  | 114.0 |
Total estimated non-cash expense | 0.0 |  | 0.0 |
Total estimated expense | 109.0 |  | 109.0 |
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 | 34.0 |  | 34.0 |
Total estimated expense | 184.0 |  | 184.0 |
Remaining Restructuring |  |  |  |
Costs of reduction in headcount as a result of reorganization | 84.0 |  | 84.0 |
Other associated costs | 25.0 |  | 25.0 |
Contract terminations | 15.0 |  | 15.0 |
Total cash expense | 124.0 |  | 124.0 |
Capital expenditures | 10.0 |  | 10.0 |
Total estimated cash cost | 134.0 |  | 134.0 |
Total estimated non-cash expense | 0.0 |  | 0.0 |
Total estimated expense | $ 124.0 |  | $ 124.0 |

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