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STOCKHOLDERS' EQUITY (Details 3) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Unrecognized net periodic benefit costs: |  |  |  |
INCOME (LOSS) BEFORE INCOME TAXES | $ 27,371 | $ 7,865 | $ 18,416 | $ (15,438)
Tax benefit | (10,163) | (2,987) | (6,401) | 6,921
NET INCOME (LOSS) | 17,208 | 4,878 | 12,015 | (8,517)
Unrecognized Net Periodic Benefit Costs | Amounts Reclassified from Accumulated Other Comprehensive Loss |  |  |  |
Unrecognized net periodic benefit costs: |  |  |  |
Amortization of net actuarial loss |  |  | (1,293) |
Amortization of prior service credit |  |  | 95 |
Pension settlement expense |  |  | (4,600) |
INCOME (LOSS) BEFORE INCOME TAXES |  |  | (5,798) |
Tax benefit |  |  | 2,256 |
NET INCOME (LOSS) |  |  | $ (3,542) |

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