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EMPLOYEE BENEFIT PLANS | 9 Months Ended
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Sep. 30, 2011
Compensation and Retirement Disclosure [Abstract] |
Employee Benefit Plans | 13. EMPLOYEE BENEFIT PLANS The Company has three frozen defined benefit pension plans and one defined benefit plan that previously purchased a final annuity settlement. The Company also sponsors four 401(k) retirement savings plans. The Company expects to contribute approximately $0.6 million to the frozen pension plans during the remainder of 2011. The components of net periodic pension cost consisted of the following (in thousands):
|  | Three months ended |  |  | Nine months ended |
|  | September 30, |  |  | September 30, |
|  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Interest cost |  | $ | 1,272 |  |  | $ | 1,300 |  |  | $ | 3,816 |  |  | $ | 3,900 |
Expected return on assets |  |  | (1,314 | ) |  |  | (1,227 | ) |  |  | (3,944 | ) |  |  | (3,681 | )
Amortization of unrecognized prior service cost |  |  | 34 |  |  |  | 34 |  |  |  | 102 |  |  |  | 102 |
Amortization of unrecognized deferred taxes |  |  | (14 | ) |  |  | (14 | ) |  |  | (42 | ) |  |  | (42 | )
Amortization of net unrecognized loss |  |  | 937 |  |  |  | 907 |  |  |  | 2,809 |  |  |  | 2,721 |
Net periodic pension cost |  | $ | 915 |  |  | $ | 1,000 |  |  | $ | 2,741 |  |  | $ | 3,000 |

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