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Rationalization Charges - Activity in Rationalization Plan Reserves (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at December 31, 2020 |  |  | $ 41,560 |
Charged to expense | $ 354 | $ 1,942 | 10,711 | $ 4,741
Utilized and currency translation |  |  | (8,065) |
Balance at June 30, 2021 | 44,206 |  | 44,206 |
Employee Severance and Benefits |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at December 31, 2020 |  |  | 41,005 |
Charged to expense |  |  | 6,172 |
Utilized and currency translation |  |  | (3,258) |
Balance at June 30, 2021 | 43,919 |  | 43,919 |
Plant Exit Costs |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at December 31, 2020 |  |  | 555 |
Charged to expense |  |  | (5) |
Utilized and currency translation |  |  | (263) |
Balance at June 30, 2021 | 287 |  | 287 |
Non-Cash Asset Write-Down |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |
Balance at December 31, 2020 |  |  | 0 |
Charged to expense |  |  | 4,544 |
Utilized and currency translation |  |  | (4,544) |
Balance at June 30, 2021 | $ 0 |  | $ 0 |

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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