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Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Current |  |  |
Federal | $ 530,000 | $ 1,362,000 | $ (1,661,000)
State | (225,000) | 683,000 | 1,294,000
Foreign | 6,065,000 | 9,396,000 | 6,875,000
Total current | 6,370,000 | 11,441,000 | 6,508,000
Deferred |  |  |
Federal | (6,685,000) | (361,000) | (7,053,000)
State | (1,121,000) | (495,000) | (2,258,000)
Foreign | (2,018,000) | (1,156,000) | 3,554,000
Total deferred | (9,824,000) | (2,012,000) | (5,757,000)
Total tax provision (benefit) | (3,454,000) | 9,429,000 | 751,000
Effective Income Tax Rate Reconciliation Detail [Table] |  |  |
Income tax provision (benefit) computed at statutory federal income tax rates | (45,000) | 9,864,000 | 2,182,000
State income taxes (net of federal benefit) | (875,000) | 122,000 | (627,000)
Nondeductible expenses | 1,382,000 | 1,460,000 | 1,046,000
Impact of international operations | (3,538,000) | (2,377,000) | (1,229,000)
Other | (378,000) | 360,000 | (621,000)
Total tax provision (benefit) | (3,454,000) | 9,429,000 | 751,000
Undistributed earnings intended for investment | 48,900,000 |  |
Domestic and Foreign Income Before Tax Detail [Table] |  |  |
Domestic | (14,322,000) | 2,206,000 | (9,167,000)
International | 14,194,000 | 25,977,000 | 15,400,000
Total | (128,000) | 28,183,000 | 6,233,000
Unrecognized Tax Benefit Liability Rollforward Detail [Table] |  |  |
Gross unrecognized tax benefits at beginning of period | 2,327,000 | 1,552,000 | 1,849,000
Additions related to acquisitions | 0 | 742,000 | 0
Increases in tax positions for prior years | 0 | 0 | 0
Decreases in tax positions for prior years | (118,000) | 0 | 0
Increases in tax positions for current year | 202,000 | 313,000 | 0
Settlements | 0 | 0 | 0
Lapse in statute of limitations | (393,000) | (280,000) | (297,000)
Gross unrecognized tax benefits at end of period | 2,018,000 | 2,327,000 | 1,552,000
Recognized interest and penalties | (200,000) | 300,000 | 300,000
Accrued potential interest and penalties | 2,100,000 | 2,300,000 |
Amount of unrecognized tax benefits that would affect effective tax rate | 2,100,000 | 2,600,000 |
Deferred tax assets: |  |  |
Net operating losses | 51,130,000 | 20,888,000 |
Foreign tax credits and alternative minimum tax credits | 10,233,000 | 6,976,000 |
Accruals | 30,057,000 | 46,259,000 |
All other | 2,856,000 | 2,130,000 |
Total deferred tax assets | 94,276,000 | 76,253,000 |
Valuation allowance | (3,747,000) | (4,048,000) |
Net deferred tax assets | 90,529,000 | 72,205,000 |
Deferred tax liabilities: |  |  |
Excess book over tax basis in property, plant, and equipment | 85,035,000 | 78,614,000 |
All other | 8,414,000 | 7,506,000 |
Total deferred tax liability | 93,449,000 | 86,120,000 |
Net deferred tax liability | 2,920,000 | 13,915,000 |
Foreign and state net operating loss carryforwards | 242,300,000 |  |
Foreign tax credits | $ 9,400,000 |  |

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