Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS (Details)

v2.4.0.6
EMPLOYEE BENEFIT PLANS (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Change in Plan Assets:      
Fair Value of Plan Assets at End of Year $ 94,164 $ 87,844  
Defined benefit pension plan
      
Change in Projected Benefit Obligation:      
Benefit Obligation at Beginning of Year 116,173 97,393 83,749
Service Cost 6,397 6,027 5,691
Interest Cost 5,587 5,243 4,733
Actuarial Loss/(Gain) 14,156 9,430 5,201
Benefits Paid (7,138) (1,846) (1,776)
Expenses Paid (225) (245) (205)
Plan Amendment    171   
Projected Benefit Obligation at End of Year 134,950 116,173 97,393
Change in Plan Assets:      
Fair Value of Plan Assets at Beginning of Year 87,844 84,658 79,547
Actual Return on Plan Assets 8,683 277 7,092
Employer Contributions 5,000 5,000   
Benefits Paid (7,138) (1,846) (1,776)
Expenses Paid (225) (245) (205)
Fair Value of Plan Assets at End of Year 94,164 87,844 84,658
Funded Status of Plan and Accrued Liability Recognized at End of Year:      
Other Liabilities 40,786 28,330 12,735
Accumulated Benefit Obligation at End of Year 110,985 94,121 77,100
Components of Net Periodic Benefit Costs:      
Service Cost 6,397 6,027 5,691
Interest Cost 5,587 5,243 4,733
Expected Return on Plan Assets (6,793) (6,555) (6,194)
Amortization of Prior Service Costs 359 462 509
Net Loss Amortization 3,390 2,223 2,088
Net Periodic Benefit Cost 8,940 7,400 6,827
Weighted-average assumptions used to determine benefit obligations:      
Discount Rate (in percent) 4.25% 5.00% 5.55%
Rate of Compensation Increase (in percent) 3.75% 4.00% 4.25%
Measurement Date 12/31/12 12/31/11 12/31/10
Weighted-Average Assumptions Used to Determine Benefit Cost:      
Discount Rate (in percent) 5.00% 5.55% 5.75%
Expected Return on Plan Assets (in percent) 8.00% 8.00% 8.00%
Rate of Compensation Increase (in percent) 4.00% 4.25% 4.50%
Amortization Amounts from Accumulated Other Comprehensive Income:      
Net Actuarial Loss 8,876 13,486 2,215
Prior Service Cost (360) (291) (509)
Deferred Tax Benefit (3,285) (5,091) (658)
Other Comprehensive Loss, net of tax 5,231 8,104 1,048
Amounts Recognized in Accumulated Other Comprehensive Income:      
Net Actuarial Losses (Gains) 47,800 38,924 25,438
Prior Service Cost 1,700 2,060 2,351
Deferred Tax Liability (Benefit) (19,097) (15,812) (10,721)
Accumulated Other Comprehensive Loss (Gain), net of tax $ 30,403 $ 25,172 $ 17,068