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Income Taxes (Detail Textuals) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Operating Loss Carryforwards [Line Items] |  |  |
Undistributed earnings of the Company's foreign subsidiaries | $ 12,000,000 |  |
Deferred tax assets, valuation allowance | 83,000 | 1,003,000 |
Total net income tax payments (refunds) | 122,916,000 | 158,700,000 | 90,729,000
Interest and penalties related to the unrecognized tax benefits | 276,000 | 3,000 |
Bonus depreciation allowance | 50.00% |  |
Estimated favorable IRC Section 481(a) adjustments | 21,000,000 |  |
Tax effect assessment | 7,665,000 |  |
State and Local Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net operating loss carryforwards related to state income taxes | 11,800,000 |  |
Deferred tax assets, valuation allowance | $ 100,000 |  |

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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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