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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2012
Income Taxes [Abstract] |
Schedule of Federal and State Income Tax Provision |
Year ended December 31, |  | 2012 |  |  | 2011 |  |  | 2010 |
|  | Current |  |  | Deferred |  |  | Current |  |  | Deferred |  |  | Current |  |  | Deferred |
Federal |  | $ | 34,941 |  |  | $ | (327 | ) |  | $ | 11,371 |  |  | $ | 7,948 |  |  | $ | 11,675 |  |  | $ | 1,112 |
State |  |  | 6,635 |  |  |  | 231 |  |  |  | 3,926 |  |  |  | 256 |  |  |  | 2,814 |  |  |  | 293 |
|  | $ | 41,576 |  |  | $ | (96 | ) |  | $ | 15,297 |  |  | $ | 8,204 |  |  | $ | 14,489 |  |  | $ | 1,405 |
Schedule of Effective Income Tax Rate Reconciliation |
Year ended December 31, |  | 2012 |  |  | 2011 |  |  | 2010 |
Statutory federal income tax rate |  |  | 35.0 | % |  |  | 35.0 | % |  |  | 35.0 | %
State income taxes, net of federal tax benefit |  |  | 4.0 |  |  |  | 4.3 |  |  |  | 4.6 |
Domestic production activities deduction |  |  | (3.0 | ) |  |  | (1.8 | ) |  |  | (2.7 | )
Other items |  |  | 1.0 |  |  |  | (0.5 | ) |  |  | (0.9 | )
Effective income tax rate |  |  | 37.0 | % |  |  | 37.0 | % |  |  | 36.0 | %
Schedule of Deferred Tax Assets and Liabilities |
December 31, |  | 2012 |  |  | 2011 |
Deferred tax assets: |  |  |  |  |  |  |  |
Product liability |  | $ | 391 |  |  | $ | 646 |
Employee compensation and benefits |  |  | 3,343 |  |  |  | 3,374 |
Allowances for doubtful accounts and discounts |  |  | 1,123 |  |  |  | 1,625 |
Inventories |  |  | 688 |  |  |  | 533 |
Additional minimum pension liability |  |  | 17,396 |  |  |  | 16,176 |
Stock-based compensation |  |  | 2,116 |  |  |  | 1,089 |
Other |  |  | 859 |  |  |  | 259 |
Total deferred tax assets |  |  | 25,916 |  |  |  | 23,702 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Pension plans |  |  | 10,205 |  |  |  | 9,217 |
Depreciation |  |  | 8,069 |  |  |  | 8,401 |
Other |  |  | 354 |  |  |  | 276 |
Total deferred tax liabilities |  |  | 18,628 |  |  |  | 17,894 |
Net deferred tax assets |  | $ | 7,288 |  |  | $ | 5,808 |

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References No definition available. + Details
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