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INCOME TAXES (Deferred) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses | $ 53,366 | $ 50,351
Pension liabilities | 4,869 | 10,797
Postretirement liabilities other than pensions | 9,903 | 9,552
Share-based compensation | 6,961 | 6,926
Federal and state net operating loss carryforwards | 2,229 | 2,185
Other | 1,856 | 2,032
Total deferred tax assets | 79,184 | 81,843
Valuation allowance | (293) | (354)
Total deferred tax assets, net of valuation allowance | 78,891 | 81,489
Deferred tax liabilities: |  |
Amortization, depreciation, and basis differences for property, plant and equipment, and other long-lived assets | 95,248 | 84,150
Intangibles | 24,715 | 28,272
Revenue recognition | 5,679 | 4,176
Prepaid expenses | 5,109 | 4,503
Total deferred tax liabilities | 130,751 | 121,101
Net deferred tax liabilities | $ (51,860) | $ (39,612)

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