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Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Current [Abstract] |  |  |  |  |
Domestic | $ 17,791,000 |  | $ 10,887,000 |  | $ (7,000)
Foreign | 1,362,000 |  | 1,108,000 |  | 1,528,000
Total current | 19,153,000 |  | 11,995,000 |  | 1,521,000
Deferred [Abstract] |  |  |  |  |
Domestic | 5,909,000 |  | (11,886,000) |  | 13,873,000
Foreign | (84,000) |  | 12,000 |  | (3,000)
Total deferred | 5,825,000 |  | (11,874,000) |  | 13,870,000
Total income tax provision | 24,978,000 |  | 121,000 |  | 15,391,000
Cumulative undistributed earnings of foreign subsidiaries | 27,600,000 |  | 19,900,000 |  | 24,700,000
Earnings before income taxes of foreign operations | 4,400,000 |  | 4,300,000 |  | 4,000,000
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% | 23,781,000 |  | 22,557,000 |  | 14,032,000
State and local income taxes, net of federal income tax benefit | 2,021,000 |  | 2,261,000 |  | 2,050,000
Income tax (tax benefits) attributable to foreign income | (852,000) |  | (163,000) |  | 107,000
Change in unrecognized tax benefits | 0 |  | (454,000) |  | (1,084,000)
Other non-deductible items, net | 697,000 |  | (2,455,000) |  | 639,000
Change in valuation allowance | (669,000) |  | (21,625,000) |  | (353,000)
Total income tax provision | 24,978,000 |  | 121,000 |  | 15,391,000
U.S. Federal income tax rate (in hundredths) | 35.00% |  |  |  |
Deferred tax assets [Abstract] |  |  |  |  |
Inventories | 16,115,000 |  | 16,036,000 |  |
Allowance for customer returns | 10,660,000 |  | 9,308,000 |  |
Postretirement benefits | 2,911,000 |  | 3,389,000 |  |
Allowance for doubtful accounts | 2,223,000 |  | 2,480,000 |  |
Accrued salaries and benefits | 7,924,000 |  | 7,828,000 |  |
Net operating loss | 84,000 |  | 383,000 |  |
Capital loss | 6,007,000 |  | 6,133,000 |  |
Tax credit carryforwards | 1,167,000 |  | 4,065,000 |  |
Deferred gain on building sale | 2,123,000 |  | 2,583,000 |  |
Accrued asbestos liabilities | 10,358,000 |  | 10,905,000 |  |
Other | 470,000 |  | 2,975,000 |  |
Deferred tax assets, gross | 60,042,000 |  | 66,085,000 |  |
Valuation Allowance | (7,174,000) | [1] | (7,843,000) | [1] |
Total deferred tax assets | 52,868,000 |  | 58,242,000 |  |
Deferred tax liabilities [Abstract] |  |  |  |  |
Depreciation | 8,328,000 |  | 8,906,000 |  |
Promotional costs | 197,000 |  | 200,000 |  |
Other | 0 |  | 0 |  |
Total deferred tax liabilities | 8,525,000 |  | 9,106,000 |  |
Net deferred tax assets | 44,343,000 |  | 49,136,000 |  |
Current net deferred tax assets | 33,258,000 |  | 32,199,000 |  |
Non-current net deferred tax assets | 11,085,000 |  | 16,937,000 |  |
Tax valuation allowance allocated to long term deferred tax assets | 7,200,000 |  | 7,800,000 |  |
Tax valuation allowance allocated to current deferred tax assets | 0 |  | 0 |  |
Realized non recurring benefit related to deferred tax valuation allowance |  |  | 21,500,000 |  |
Valuation allowance, remaining amount | 7,200,000 |  |  |  |
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] |  |  |  |  |
Balance at January 1, 2012 | 349,000 |  |  |  |
Increase based on tax positions taken in the current year | 0 |  |  |  |
Decrease based on tax positions taken in the current year | 0 |  |  |  |
Balance at December 31, 2012 | 349,000 |  | 349,000 |  |
Capital Loss Carryforward [Member] |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Capital loss carryforward | 15,500,000 |  |  |  |
Foreign Tax Authority [Member] |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Operating Loss Carryforwards | 400,000 |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2013 |  |  |  |
Tax credit carryforward | $ 900,000 |  |  |  |
Foreign Tax Authority [Member] | Minimum [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Period for statutes of limitations | 2 years |  |  |  |
Foreign Tax Authority [Member] | Maximum [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Period for statutes of limitations | 6 years |  |  |  |
State and Local Jurisdiction [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Open Tax Years | 2008 onward |  |  |  |
Canada Tax Authority [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Open Tax Years | 2008 onward |  |  |  |
Hong Kong Tax Authority [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Open Tax Years | 2007 onward |  |  |  |
Poland Tax Authority [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Open Tax Years | 2008 onward |  |  |  |
[1] | Current net deferred tax assets are $33.2 million and $32.2 million for 2012 and 2011, respectively. Non-current net deferred tax assets are $11.1 million and $16.9 million for 2012 and 2011, respectively. The tax valuation allowance was allocated to long term deferred tax assets in the amounts of $7.2 million and $7.8 million in 2012 and 2011, respectively. None of the valuation allowance was allocated to current deferred tax assets in 2012 and 2011.

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