Income Taxes (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current [Abstract]
Domestic		$ 33,156	$ 22,943	$ 30,415
Foreign		3,628	4,324	3,740
Total current		36,784	27,267	34,155
Deferred [Abstract]
Domestic		(387)	(1,210)	(4,732)
Foreign		(239)	(74)	(569)
Total deferred		(626)	(1,284)	(5,301)
Total income tax provision		36,158	25,983	28,854
Cumulative undistributed earnings of foreign subsidiaries		46,400	41,500	35,200
Earnings before income taxes of foreign operations		10,800	14,700	11,600
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 35%		34,500	25,936	28,614
Increase (decrease) in tax rate resulting from [Abstract]
State and local income taxes, net of federal income tax benefit		2,944	1,857	2,309
Income tax (tax benefits) attributable to foreign income		(887)	(1,705)	(1,511)
Change in unrecognized tax benefits		0	0	(350)
Other non-deductible items, net		(464)	(192)	134
Change in valuation allowance		65	87	(342)
Total income tax provision		$ 36,158	25,983	28,854
U.S. Federal income tax rate		35.00%
Deferred tax assets [Abstract]
Inventories		$ 18,323	17,651
Allowance for customer returns		15,092	14,551
Postretirement benefits		607	1,127
Allowance for doubtful accounts		1,589	1,512
Accrued salaries and benefits		11,482	9,683
Capital loss		234	234
Tax credit carryforwards		420	381
Deferred gain on building sale		489	891
Accrued asbestos liabilities		12,638	13,098
Deferred tax assets, gross		60,874	59,128
Valuation Allowance	[1]	(505)	(440)
Total deferred tax assets		60,369	58,688
Deferred tax liabilities [Abstract]
Depreciation		7,410	7,054
Promotional costs		0	230
Other		1,832	41
Total deferred tax liabilities		9,242	7,325
Net deferred tax assets		51,127	51,363
Current net deferred tax assets		40,627	40,626
Non-current net deferred tax assets		10,500	10,737
Tax valuation allowance allocated to long term deferred tax assets		500	400
Tax valuation allowance allocated to current deferred tax assets		0	$ 0
Valuation allowance, remaining amount		500
Income Tax Contingency [Abstract]
Recognized uncertain tax positions				$ 400
Reduction in effective tax rate due to uncertain tax positions recognized				0.43%
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards		$ 51,100
Operating Loss Carryforwards, Expiration Dates		Dec. 31, 2024
Tax credit carryforward		$ 400
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		2012
Hong Kong Tax Authority [Member]
Income Tax Contingency [Abstract]
Open Tax Years		2011
Mexican Tax Authority [Member]
Income Tax Contingency [Abstract]
Open Tax Years		2012
Poland Tax Authority [Member]
Income Tax Contingency [Abstract]
Open Tax Years		2011

[1] Current net deferred tax assets are $40.6 million in both 2016 and 2015. Non-current net deferred tax assets are $10.5 million and $10.7 million for 2016 and 2015, respectively. The tax valuation allowance was allocated to long term deferred tax assets in the amounts of $0.5 million and $0.4 million for 2016 and 2015, respectively. None of the valuation allowance was allocated to current deferred tax assets in 2016 and 2015.