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Discontinued Operations - Summary of Carrying Amounts of Major Classes of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Dec. 31, 2018
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Cash and cash equivalents | $ 16,000 | $ 13,800 | $ 13,200 | $ 10,200
Total current assets | 630,900 | 117,000 |  |
Total non-current assets | 0 | 695,054 |  |
Total current liabilities | 120,832 | 41,546 |  |
Total non-current liabilities | 0 | 84,199 |  |
Discontinued Operations, Disposed of by Sale | Life Sciences |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Cash and cash equivalents | 15,986 | 13,792 |  |
Accounts receivable, net | 37,465 | 48,318 |  |
Inventories | 49,646 | 51,644 |  |
Other current assets | 3,042 | 3,246 |  |
Total current assets | 106,139 | 117,000 |  |
Property, plant and equipment, net | 114,364 | 118,536 |  |
Operating lease right-of-use assets | 24,199 | 20,044 |  |
Goodwill | 197,353 | 344,316 |  |
Intangible assets, net | 188,584 | 211,847 |  |
Other non-current assets | 261 | 311 |  |
Total non-current assets | 524,761 | 695,054 |  |
Total assets held for sale | 630,900 | 812,054 |  |
Accounts payable | 11,362 | 16,367 |  |
Accrued salaries, wages and benefits | 15,709 | 14,844 |  |
Income tax payable | 218 | 344 |  |
Current portion of operating lease liabilities | 2,768 | 2,364 |  |
Other current liabilities | 5,962 | 7,627 |  |
Total current liabilities | 36,019 | 41,546 |  |
Deferred tax liabilities | 55,728 | 61,338 |  |
Operating lease liabilities, net of current portion | 22,333 | 18,405 |  |
Other non-current liabilities | 6,752 | 4,456 |  |
Total non-current liabilities | 84,813 | 84,199 |  |
Total liabilities held for sale | $ 120,832 | $ 125,745 |  |

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