XML 103 R84.htm IDEA: XBRL DOCUMENT v2.4.0.6
Pension Plans and Other Postretirement Benefits (Details 1) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Defined Benefit Plan [Member]
      
Change in benefit obligation:      
Projected benefit obligation at beginning of year $ 41,736 $ 39,553 $ 38,488
Service cost         
Interest cost 1,427 1,658 1,877
Plan amendments         
Actuarial loss 2,046 4,650 2,817
Benefits paid (1,664) (1,664) (3,629)
Settlements (2,551) (2,461)  
Projected benefit obligation at end of year 40,994 41,736 39,553
Change in plan assets:      
Fair value of plan assets at beginning of year 31,653 29,273 29,006
Actual return on plan assets 3,168 911 2,812
Employer contributions 2,534 5,926 1,307
Benefits paid (1,664) (1,664) (3,629)
Expenses paid (383) (332) (223)
Settlements (2,551) (2,461)  
Fair value of plan assets at end of year 32,757 31,653 29,273
Funded status (8,237) (10,083) (10,280)
Prepaid (accrued) benefit expense 11,188 11,594 8,270
Total amount recognized in Consolidated Balance Sheets, all in other liabilities (8,237) (10,083) (10,280)
Amounts recognized in accumulated other comprehensive income (loss) (AOCI):      
Net actuarial loss (gain) 19,425 21,677 18,550
Total amount recognized in AOCI 19,425 21,677 18,550
Information for pension plans with an accumulated benefit obligation greater than plan assets:      
Projected benefit obligation 40,994 41,736 39,553
Accumulated benefit obligation 40,994 41,736 39,553
Fair value of plan assets 32,757 31,653 29,273
Supplemental Defined Benefit Plans [Member]
      
Change in benefit obligation:      
Projected benefit obligation at beginning of year 18,012 16,801 15,707
Service cost         
Interest cost 676 799 841
Plan amendments         
Actuarial loss 817 1,755 1,401
Benefits paid (1,313) (1,343) (1,148)
Projected benefit obligation at end of year 18,192 18,012 16,801
Change in plan assets:      
Fair value of plan assets at beginning of year        
Employer contributions 1,313 1,343 1,148
Benefits paid (1,313) (1,343) (1,148)
Fair value of plan assets at end of year         
Funded status (18,192) (18,012) (16,801)
Prepaid (accrued) benefit expense (12,855) (13,197) (12,918)
Total amount recognized in Consolidated Balance Sheets, all in other liabilities (18,192) (18,012) (16,801)
Amounts recognized in accumulated other comprehensive income (loss) (AOCI):      
Prior service cost 124 249 373
Net actuarial loss (gain) 5,213 4,566 3,510
Total amount recognized in AOCI 5,337 4,815 3,883
Information for pension plans with an accumulated benefit obligation greater than plan assets:      
Projected benefit obligation 18,192 18,012 16,801
Accumulated benefit obligation $ 18,192 $ 18,012 $ 16,801