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Restructuring and Impairment Activities (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense | $ 300,000 | $ 400,000 | $ 600,000 | $ 400,000 | $ 3,900,000 | $ 1,500,000 | $ 1,600,000 | $ 1,100,000 | $ 1,700,000 | $ 8,100,000 | $ 25,600,000
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of year |  |  |  | $ 1,700,000 |  |  |  | $ 4,300,000 | 1,700,000 | 4,300,000 |
Accruals for announced programs |  |  |  |  |  |  |  |  | 1,300,000 | 3,500,000 |
Cash payments |  |  |  |  |  |  |  |  | (3,300,000) | (6,400,000) |
Other |  |  |  |  |  |  |  |  | 1,800,000 | 0 |
Exchange rate impacts |  |  |  |  |  |  |  |  | (100,000) | 300,000 |
Balance at end of period | $ 1,400,000 |  |  |  | $ 1,700,000 |  |  |  | 1,400,000 | 1,700,000 | 4,300,000
AMS |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 1,500,000 | 2,700,000 | 21,300,000
AMS | Employee Severance | United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 1,100,000 |  |
AMS | Employee Severance | Belgium and United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  | 2,600,000 |
AMS | Asset Impairment Charge | United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 400,000 | 100,000 |
EP |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 200,000 | 5,300,000 | 4,000,000
EP | Employee Severance | France |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 200,000 |  |
EP | Employee Severance | France and United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  | 800,000 |
EP | Employee Severance | France, Brazil, And United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  |  | 3,400,000
EP | Asset Impairment Charge | Philippines |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | 0 | 4,000,000 | 0
EP | Asset Impairment Charge | France and United States |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  | 500,000 |
EP | Asset Impairment Charge | Polish and Brazil |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  |  |  | 600,000
Corporate, Non-Segment |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and impairment expense |  |  |  |  |  |  |  |  | $ 0 | $ 100,000 | 300,000
Trade names | AMS |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairment expenses |  |  |  |  |  |  |  |  |  |  | $ 20,700,000

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