Discontinued Operations - Summary of Major Line Items Included in Results of Operations of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment			$ 146,757	$ 0
Income (loss) from discontinued operations, net of tax	$ 20,330	$ (1,019)	(123,966)	(11,850)
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	68,525	93,438	223,944	269,981
Cost of sales (exclusive of depreciation and amortization shown separately below)	50,444	64,420	158,538	186,694
Selling, general and administrative expense	6,164	8,550	20,189	25,917
Depreciation and amortization	12,030	11,337	35,731	35,418
Goodwill impairment	0	0	146,757	0
Other operating expense (income), net	24	(94)	20	(114)
Income (loss) from operations	(137)	9,225	(137,291)	22,066
Interest expense	12,248	10,928	37,857	33,663
Loss on extinguishment of debt and write-off of debt issuance costs	1,388	0	1,388	2,391
Other expense (income), net	(234)	(535)	(325)	21
Loss from discontinued operations before costs of disposal and benefit for income taxes	(13,539)	(1,168)	(176,211)	(14,009)
Benefit for income taxes	39,954	149	59,598	2,159
Income (loss) from discontinued operations before costs of disposal	26,415	(1,019)	(116,613)	(11,850)
Costs of disposal of discontinued operations	(6,598)	0	(7,956)	0
Benefit for income taxes on disposal costs	513	0	603	0
Income (loss) from discontinued operations, net of tax	$ 20,330	$ (1,019)	$ (123,966)	$ (11,850)