Accumulated Other Comprehensive Income - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income and Into the Condensed Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Defined Benefit Plan Disclosure [Line Items]
Costs of products sold	$ (194,494)	$ (179,983)	$ (585,563)	$ (537,073)
Other, net	1,034	(2,253)	3,547	(1,131)
Income tax provision (benefit)	3,141	3,462	10,654	7,037
Net income (loss)	12,224	(95,831)	23,341	(97,512)
Income (loss)	3,581	(95,126)	3,802	(100,353)
Reclassifications Out of Accumulated Other Comprehensive Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Net income (loss)	(863)	4,881	(2,436)	13,573
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	883	6,041	2,535	14,515
Income tax provision (benefit)	(291)	(1,988)	(1,763)	(4,037)
Net income (loss)	592	4,053	772	10,478
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] | Prior Service Costs [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	64	5	152	16
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] | Actuarial Losses [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	819	2,060	2,383	6,179
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] | Discontinued Operations Amortization of Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Income (loss)		2,171		6,515
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] | Curtailment and Settlement Recognition [Member]
Defined Benefit Plan Disclosure [Line Items]
Income (loss)		1,805		1,805
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Other Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	(295)	(217)	(646)	(653)
Income tax provision (benefit)	71	56	156	163
Net income (loss)	(224)	(161)	(490)	(490)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Other Pension Plan [Member] | Prior Service Costs [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	(2)		(7)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Other Pension Plan [Member] | Discontinued Operations Amortization of Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Income (loss)		(201)		(604)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Other Pension Plan [Member] | Actuarial Gains [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	(293)	(16)	(639)	(49)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Cash Flow Hedges [Member] | Accumulated Net (Gain) Loss from Cash Flow Hedges Attributable to Parent [Member]
Defined Benefit Plan Disclosure [Line Items]
Costs of products sold	(1,738)	1,344	(3,783)	4,939
Income tax provision (benefit)	507	(355)	1,065	(1,354)
Net income (loss)	$ (1,231)	$ 989	$ (2,718)	$ 3,585