Discontinued Operations - Summary of Major Line Items Included in Results of Operations of Discontinued Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations, net of tax	$ 0	$ 0	$ 137,688
PBC Business | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales			168,287
Cost of products sold (exclusive of depreciation and amortization shown separately below)			130,555
Selling, general and administrative expense			11,818
Depreciation and amortization			7,722
Restructuring and integration expense			429
Income from operations			17,763
Interest expense			(181)
Other income (expense), net			(84)
Income from discontinued operations before gain on disposal and provision for income taxes			17,498
Provision for income taxes on discontinued operations			(7,461)
Income from discontinued operations before gain on disposal			10,037
Gain on disposal of discontinued operations			213,503
Provision for income taxes on gain on disposal			(85,852)
Income from discontinued operations, net of tax			$ 137,688