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Restructuring - Additional Information (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Sep. 17, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring reserve, noncurrent |  | $ 40,900 | $ 37,200 |
Restructuring reserve, current |  | 31,700 | 18,900 |
Costs charged to expense |  | 37,013 | 6,278 | $ 77,183
2020 Projects [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Expected Costs at December 31, 2020 |  | 59,677 |  |
Costs charged to expense | $ 43,200 | $ 43,232 | $ 0 |
Minimum [Member] | 2020 Projects [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Expected Costs at December 31, 2020 | 55,000 |  |  |
Restructuring Reserve, Expected Cash Settlements | 35,000 |  |  |
Maximum [Member] | 2020 Projects [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Expected Costs at December 31, 2020 | 65,000 |  |  |
Restructuring Reserve, Expected Cash Settlements | $ 45,000 |  |  |

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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: 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)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: 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(d)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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