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Restructuring Activities - Schedule of Program Metrics (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 USD ($) employee | Mar. 31, 2017 USD ($) | Mar. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Total charges | $ 10.8 | $ 4.1 |
Capital expenditures | $ 0.2 | $ 9.9 |
Program |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Approximate positions eliminated by the program | employee | 1,950 |  |
Costs of reduction in headcount as a result of reorganization | $ 246.0 |  |
Other expenses associated with the Program | 125.0 |  |
Total estimated net cash cost |  |  | $ 120.0
Total Cumulative Expense | 371.0 |  |
Cumulative capital expenditures | 235.0 |  |
Program | Minimum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Costs of reduction in headcount as a result of reorganization | 260.0 |  |
Other expenses associated with the Program | 130.0 |  |
Total charges | 390.0 |  |
Capital expenditures | 250.0 |  |
Proceeds, foreign exchange and other cash items | (70.0) |  |
Total estimated net cash cost | 570.0 |  |
Program | Maximum |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Costs of reduction in headcount as a result of reorganization | 270.0 |  |
Other expenses associated with the Program | 135.0 |  |
Total charges | 405.0 |  |
Capital expenditures | 255.0 |  |
Proceeds, foreign exchange and other cash items | (75.0) |  |
Total estimated net cash cost | $ 585.0 |  |

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