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Income Taxes Components of Deferred Taxes (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Components of Deferred Tax Assets |  |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts | $ 550 | $ 350
Deferred Tax Assets, Inventory | 5,680 | 5,680
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other | 27,550 | 34,430
Deferred Tax Assets, Operating Loss and Credit Carryforwards | 4,660 | 12,420
Deferred Tax Assets, Gross | 38,440 | 52,880
Deferred Tax Assets, Valuation Allowance | (3,060) | (5,980)
Deferred Tax Assets, Net of Valuation Allowance | 35,380 | 46,900
Components of Deferred Tax Liabilities |  |
Deferred Tax Liabilities, Property, Plant and Equipment | (16,340) | (19,290)
Deferred Tax Liabilities, Goodwill and Intangible Assets | (26,600) | (44,570)
Deferred Tax Liabilities, Other | (3,450) | (5,020)
Deferred Tax Liabilities, Gross | (46,390) | (68,880)
Deferred Tax Liabilities, Net | $ (11,010) | $ (21,980)

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