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
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