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INCOME TAXES (Deferred) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses | $ 50,351 | $ 51,996
Pension liabilities | 10,797 | 9,022
Postretirement liabilities other than pensions | 9,552 | 8,589
Share-based compensation | 6,926 | 6,310
Federal and state net operating loss carryforwards | 2,185 | 2,840
Other | 2,032 | 1,654
Total deferred tax assets | 81,843 | 80,411
Valuation allowance | (354) | (332)
Total deferred tax assets, net of valuation allowance | 81,489 | 80,079
Deferred tax liabilities: |  |
Amortization, depreciation, and basis differences for property, plant and equipment, and other long-lived assets | 84,150 | 64,522
Intangibles | 28,272 | 31,398
Revenue recognition | 4,176 | 3,944
Prepaid expenses | 4,503 | 4,393
Total deferred tax liabilities | 121,101 | 104,257
Net deferred tax liabilities | $ (39,612) | $ (24,178)

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