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Discontinued Operations - Summary of Major Line Items Included in Results of Operations of Discontinued Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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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
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill impairment of discontinued operations |  |  |  |  |  |  |  |  | $ 146,757 | $ 0 | $ 0
Income (loss) from discontinued operations, net of tax | $ 162,864 | $ 20,330 | $ (4,182) | $ (140,114) | $ (4,142) | $ (1,019) | $ (2,830) | $ (8,001) | 38,898 | (15,992) | (41,767)
Discontinued Operations, Disposed of by Sale | Life Sciences |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales | 225,255 |  |  |  |  |  |  |  |  | 357,937 | 246,463
Cost of sales (exclusive of depreciation and amortization shown separately below) | 160,464 |  |  |  |  |  |  |  |  | 249,157 | 175,787
Selling, general, and administrative expense | $ 20,779 |  |  |  |  |  |  |  |  | 34,328 | 20,927
Acquisition related costs excluded from selling, general and administrative expense |  |  |  |  |  |  |  |  | 0 | 0 | 5,763
Depreciation and amortization |  |  |  |  |  |  |  |  | 35,731 | 46,950 | 28,102
Restructuring and integration expense, net |  |  |  |  |  |  |  |  | 0 | 0 | 1,438
Goodwill impairment of discontinued operations |  |  |  |  |  |  |  |  | 146,757 | 0 | 0
Other operating expense (income), net |  |  |  |  |  |  |  |  | 41 | 20 | (737)
Income (loss) from operations |  |  |  |  |  |  |  |  | (138,517) | 27,482 | 15,183
Interest expense |  |  |  |  |  |  |  |  | 48,893 | 44,125 | 49,928
Loss on extinguishment of debt and write-off of debt issuance costs |  |  |  |  |  |  |  |  | 1,388 | 2,753 | 19,562
Other expense (income), net |  |  |  |  |  |  |  |  | (322) | 178 | (675)
Loss from discontinued operations before costs of disposal and benefit for income taxes |  |  |  |  |  |  |  |  | (188,476) | (19,574) | (53,632)
Benefit for income taxes |  |  |  |  |  |  |  |  | 12,468 | 3,582 | 11,865
Loss from discontinued operations before gain on disposal |  |  |  |  |  |  |  |  | (176,008) | (15,992) | (41,767)
Gain on disposal of discontinued operations |  |  |  |  |  |  |  |  | 212,319 | 0 | 0
Benefit for income taxes on gain on disposal |  |  |  |  |  |  |  |  | 2,587 | 0 | 0
Income (loss) from discontinued operations, net of tax |  |  |  |  |  |  |  |  | $ 38,898 | $ (15,992) | $ (41,767)

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- Definition Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120385591&loc=d3e38679-109324 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721523-107759 + Details
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