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Restructuring - Expected Cost, Costs Recognized, and Costs to be Recognized - 2016 Projects (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Restructuring Cost and Reserve [Line Items] |  |  |
Costs charged to expense | $ 6,278 | $ 77,183 | $ 6,418
2018 Projects [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total Expected Costs at December 31, 2019 | 100,885 |  |
Costs charged to expense | 9,272 | 78,123 |
Expected Remaining Costs to be Recognized at December 31, 2019 | 13,490 |  |
2016 Projects [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total Expected Costs at December 31, 2019 | 50,978 |  |
Costs charged to expense | (2,994) | 53,272 |
Expected Remaining Costs to be Recognized at December 31, 2019 | 700 |  |
Employee Severance [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Costs charged to expense | (608) |  |
Employee Severance [Member] | 2018 Projects [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total Expected Costs at December 31, 2019 | 72,133 |  |
Costs charged to expense | (1,645) | 73,778 |
Expected Remaining Costs to be Recognized at December 31, 2019 | 0 |  |
Employee Severance [Member] | 2016 Projects [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total Expected Costs at December 31, 2019 | 36,882 |  |
Costs charged to expense | 1,037 | 35,845 |
Expected Remaining Costs to be Recognized at December 31, 2019 | 0 |  |
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Costs charged to expense | (1,785) |  |
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member] | 2018 Projects [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total Expected Costs at December 31, 2019 | 3,842 |  |
Costs charged to expense | 3,725 | 117 |
Expected Remaining Costs to be Recognized at December 31, 2019 | 0 |  |
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member] | 2016 Projects [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total Expected Costs at December 31, 2019 | 154 |  |
Costs charged to expense | (5,510) | 5,664 |
Expected Remaining Costs to be Recognized at December 31, 2019 | 0 |  |
Other Restructuring [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Costs charged to expense | 8,671 |  |
Other Restructuring [Member] | 2018 Projects [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total Expected Costs at December 31, 2019 | 24,910 |  |
Costs charged to expense | 7,192 | 4,228 |
Expected Remaining Costs to be Recognized at December 31, 2019 | 13,490 |  |
Other Restructuring [Member] | 2016 Projects [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total Expected Costs at December 31, 2019 | 13,942 |  |
Costs charged to expense | 1,479 | $ 11,763 |
Expected Remaining Costs to be Recognized at December 31, 2019 | $ 700 |  |

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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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