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Income Taxes (Details 2) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Deferred tax assets: |  |
Pension, compensation and other employee benefits | $ 26,790,000 | $ 22,103,000
Tax credit carryforwards | 25,290,000 | 25,219,000
Provisions for losses | 15,229,000 | 16,038,000
State income taxes | 2,813,000 | 2,400,000
Net operating loss carryforward | 1,755,000 | 3,086,000
Deferred income |  | 125,000
Other deferred income tax assets | 5,331,000 | 1,745,000
Total deferred tax assets | 77,208,000 | 70,716,000
Valuation allowance | (14,576,000,000) | (356)
Net deferred tax assets | 61,642,000 | 70,360,000
Deferred tax liabilities: |  |
Property and equipment | (8,801,000) | (7,729,000)
Goodwill and other intangible assets | (2,841,000) | (1,006,000)
Unremitted foreign earnings | (978,000) |
Other deferred income tax liabilities | (176,000) | (287,000)
Total deferred tax liabilities | (11,261,000) | (9,022,000)
Foreign deferred tax liabilities included above | 2,024,000 | 1,617,000
United States deferred tax assets | 52,405,000 | 62,955,000
Foreign Tax Authority [Member] |  |
Deferred tax assets: |  |
Total deferred tax assets | $ (990,000) |

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