Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current [Abstract]
Domestic		$ 14,632	$ 26,821	$ 30,742
Foreign		3,019	3,180	3,139
Total current		17,651	30,001	33,881
Deferred [Abstract]
Domestic		4,677	(10,132)	18,833
Foreign		417	108	98
Total deferred		5,094	(10,024)	18,931
Total income tax provision		$ 22,745	$ 19,977	$ 52,812
U.S. Federal income tax rate		21.00%	21.00%	35.00%
Provisional income tax expense, deferred tax assets	$ 16,100
Provisional deemed repatriation tax on earnings of foreign subsidiaries	1,400
Gross repatriation tax			$ 2,700	$ 2,300
Foreign tax credits				900
Reconciliations Between Taxes at the U.S. Federal Income Tax Rate and Taxes at our Effective Income Tax Rate on Earnings [Abstract]
U.S. Federal income tax rate of 21% in 2019 and 2018, and 35% in 2017		$ 19,277	16,135	33,755
Increase (decrease) in tax rate resulting from [Abstract]
State and local income taxes, net of federal income tax benefit		3,328	2,781	3,138
Income tax (tax benefits) attributable to foreign income		191	1,598	(149)
Other non-deductible items, net		(409)	(559)	(1,319)
Impact of Tax Cuts and Jobs Act		0	0	17,515
Change in valuation allowance		358	22	(128)
Total income tax provision		22,745	19,977	52,812
Deferred tax assets [Abstract]
Inventories		12,077	12,798
Allowance for customer returns		11,969	16,836
Postretirement benefits		50	58
Allowance for doubtful accounts		1,262	1,371
Accrued salaries and benefits		9,826	9,147
Tax credit carryforwards		609	272
Accrued asbestos liabilities		13,132	11,872
Other		148	127
Deferred tax assets, gross		49,073	52,481
Valuation allowance		(757)	(399)
Total deferred tax assets		48,316	52,082
Deferred tax liabilities [Abstract]
Depreciation		7,706	7,755
Other		3,338	1,993
Total deferred tax liabilities		11,044	9,748
Net deferred tax assets		37,272	42,334
Valuation allowance, remaining amount		800
Income Tax Contingency [Abstract]
Recognized uncertain tax positions	$ 0	$ 0	$ 0	$ 0
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Abstract]
Operating Loss Carryforwards, Expiration Dates		Dec. 31, 2028
Tax credit carryforward		$ 600
Foreign Tax Authority [Member] | Minimum [Member]
Income Tax Contingency [Abstract]
Period for statutes of limitations		2 years
Foreign Tax Authority [Member] | Maximum [Member]
Income Tax Contingency [Abstract]
Period for statutes of limitations		6 years
Canada Tax Authority [Member]
Income Tax Contingency [Abstract]
Open Tax Years		2015 2016 2017 2018
Hong Kong Tax Authority [Member]
Income Tax Contingency [Abstract]
Open Tax Years		2014 2015 2016 2017 2018
Mexican Tax Authority [Member]
Income Tax Contingency [Abstract]
Open Tax Years		2015 2016 2017 2018
Poland Tax Authority [Member]
Income Tax Contingency [Abstract]
Open Tax Years		2014 2015 2016 2017 2018
State and Local [Member]
Income Tax Contingency [Abstract]
Open Tax Years		2015 2016 2017 2018