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
	Mar. 31, 2021	Mar. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Costs of products sold	$ 186,378	$ 194,685
Other, net	224	753
Income tax provision (benefit)	7,190	2,608
Net income	8,394	7,406
Interest expense	1,531	1,778
Reclassifications Out of Accumulated Other Comprehensive Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Net income	79	(1,701)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Accumulated Net (Gain) Loss from Cash Flow Hedges Attributable to Parent [Member]
Defined Benefit Plan Disclosure [Line Items]
Net income	(13)	(1,600)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	211	172
Income tax provision (benefit)	(73)	(24)
Net income	138	148
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] | Prior Service Costs [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	12	12
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Pension Benefits [Member] | Actuarial Losses [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	199	160
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Other Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	(46)	(325)
Income tax provision (benefit)		76
Net income	(46)	(249)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Other Pension Plan [Member] | Prior Service Costs [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	(58)	(116)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Other Pension Plan [Member] | Actuarial Gains [Member]
Defined Benefit Plan Disclosure [Line Items]
Other, net	12	(209)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Interest Rate Swap [Member]
Defined Benefit Plan Disclosure [Line Items]
Income tax provision (benefit)	(7)
Reclassifications Out of Accumulated Other Comprehensive Income [Member] | Interest Rate Swap [Member] | Accumulated Net (Gain) Loss from Cash Flow Hedges Attributable to Parent [Member]
Defined Benefit Plan Disclosure [Line Items]
Net income	14
Interest expense	(21)
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	(24)	2,182
Income tax provision (benefit)	51	(582)
Net income	$ (27)	$ (1,600)