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v3.3.1.900

Income Taxes (Details 3) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Operating loss carryforwards |  |  |
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities | $ (218) | $ 0 | $ 0
Unrecognized tax benefits, reduction of long-term deferred tax assets, before federal tax benefit | 18,600 | 17,800 |
Unrecognized tax benefits included in long-term income taxes payable | 2,200 | 2,100 |
Portion of unrecognized tax benefits, which if recognized, would be recorded as an income tax benefit | 2,200 | 2,100 |
Amount of potential unrecognized tax benefit | 1,000 |  |
Reconciliation of the beginning and ending amounts of unrecognized income tax benefits |  |  |
Balance at the beginning of the period | 19,903 | 18,794 | 16,773
Tax positions related to current year: |  |  |
Additions | 1,186 | 1,134 | 1,156
Tax positions related to prior years: |  |  |
Additions | 0 | 531 | 956
Reductions | (35) | (556) | (91)
Balance at the end of the period | 20,836 | $ 19,903 | $ 18,794
Undistributed earnings | 3,900 |  |
Alternative Minimum Tax Credits |  |  |
Operating loss carryforwards |  |  |
Tax credit carryforwards | 2,500 |  |
Foreign Tax Credit |  |  |
Operating loss carryforwards |  |  |
Tax credit carryforwards | 118,600 |  |
Federal |  |  |
Operating loss carryforwards |  |  |
Tax credit carryforwards subject to expiration | 55,000 |  |
Federal | Research and Development as label |  |  |
Operating loss carryforwards |  |  |
Tax credit carryforwards | 34,200 |  |
Federal | Excess Tax Benefits From Stock Option Tax Deductions |  |  |
Operating loss carryforwards |  |  |
Tax credit carryforwards | 37,900 |  |
State and Local Jurisdiction [Member] |  |  |
Operating loss carryforwards |  |  |
Operating Loss Carryforwards | 75,900 |  |
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member] |  |  |
Operating loss carryforwards |  |  |
Operating Loss Carryforwards | 285,000 |  |
State and Local Jurisdiction [Member] | Research and Development as label |  |  |
Operating loss carryforwards |  |  |
Tax credit carryforwards | 22,300 |  |
State and Local Jurisdiction [Member] | Excess Tax Benefits From Stock Option Tax Deductions |  |  |
Operating loss carryforwards |  |  |
Operating Loss Carryforwards | $ 97,700 |  |

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