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Income Taxes Components of Deferred Taxes (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Components of Deferred Tax Assets |  |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts | $ 780 | $ 550
Deferred Tax Assets, Inventory | 6,410 | 5,680
Deferred Tax Assets, Goodwill and Intangible Assets | 3,120 | 0
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other | 26,110 | 27,550
Deferred Tax Assets, Operating Loss and Credit Carryforwards | 6,680 | 4,660
Deferred Tax Assets, Gross | 43,100 | 38,440
Deferred Tax Assets, Valuation Allowance | (5,670) | (3,060)
Deferred Tax Assets, Net of Valuation Allowance | 37,430 | 35,380
Components of Deferred Tax Liabilities |  |
Deferred Tax Liabilities, Property, Plant and Equipment | (14,580) | (16,340)
Deferred Tax Liabilities, Goodwill and Intangible Assets | 0 | (26,600)
Deferred Tax Liabilities, Investment in Foreign Affiliates, Including Withholding Tax | (1,140) | (870)
Deferred Tax Liabilities, Other | (1,330) | (2,580)
Deferred Tax Liabilities, Gross | (17,050) | (46,390)
Deferred Tax Liabilities, Net |  | $ (11,010)
Deferred Tax Assets, Net | $ 20,380 |

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