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v3.20.4

Restructuring and Impairment Activities (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense | $ 4.2 | $ 6.0 | $ 1.6 | $ 0.1 | $ 1.7 | $ 1.6 | $ 0.4 | $ 0.0 | $ 11.9 | $ 3.7 | $ 1.7
Impairment expense |  |  |  |  |  |  |  |  | 11.9 | 3.7 |
Other restructuring costs |  |  |  |  |  |  |  |  | 4.9 | 0.0 | 0.0
Write down value spare parts and consignment inventory |  |  |  |  |  |  |  |  | 2.0 |  |
Accelerated depreciation and amortization |  |  |  |  |  |  |  |  | 2.9 | 0.0 | 0.0
Restructuring and related cost, expected cost remaining | 2.2 |  |  |  |  |  |  |  | 2.2 |  |
Severance |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 11.6 | 2.6 | 1.3
Impairment expense |  |  |  |  |  |  |  |  | 6.7 |  |
AMS |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 0.5 | 1.1 | 1.5
AMS | Severance | United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  |  | 1.1
AMS | Asset Impairment Charge | United States and China |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  | 1.1 |
AMS | Asset Impairment Charge | United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  |  | 0.4
EP |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 11.3 | 2.6 | 0.2
Restructuring incurred to date | $ 6.9 |  |  |  |  |  |  |  | 6.9 |  |
EP | Severance | France, Poland, And The United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | $ 4.6 |  |
EP | Severance | France |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  | $ 2.6 | $ 0.2

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