v2.4.0.6
EMPLOYEE RETIREMENT PLANS (Details 3) (Pension Benefits, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Pension Benefits
     
Funded status, end of year:      
Fair value of plan assets $ 115,830 $ 107,738 $ 122,509
Benefit obligations 168,511 147,290 143,133
Unfunded status (52,681) (39,552)  
Amount recognized, end of year (52,681) (39,552)  
Amounts recognized in the balance sheets consist of:      
Current liability (419) (419)  
Noncurrent liability (52,262) (39,133)  
Amount recognized, end of year (52,681) (39,552)  
Gross amounts recognized in accumulated other comprehensive loss consist of:      
Net actuarial loss 77,459 64,095  
Prior service cost 99 103  
Amount recognized, end of year 77,558 64,198  
Changes in plan assets and benefit obligations which were recognized in other comprehensive income      
Current year actuarial loss 15,045 22,172 6,495
Amortization of actuarial loss (1,680) (1,539) (794)
Current year prior service cost     110
Amortization of prior service cost (4) (4) (4)
Total recognized in other comprehensive income (loss) 13,361 20,629 5,807
Total recognized in net periodic benefit cost and other comprehensive income (loss) 13,549 20,023 4,498
Estimated amount that will be amortized from accumulated other comprehensive income into net periodic benefit cost in the next fiscal year      
Actuarial loss 2,133    
Prior service cost 4    
Total $ 2,137