Annual report pursuant to Section 13 and 15(d)

Employee Retirement Plans (Details)

v2.4.0.8
Employee Retirement Plans (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Amounts recognized in the consolidated balance sheets consisted of:      
Retiree health benefit obligation $ (4,654) $ (6,541)  
Pension benefits
     
Change in projected benefit obligation:      
Benefit obligation at beginning of year 36,209 32,800  
Service cost 246 268 961
Interest cost 1,449 1,482 1,539
Actuarial (gains) losses (5,031) 2,944  
Benefits paid (1,158) (1,285)  
Benefit obligation at end of year 31,715 36,209 32,800
Change in plan assets:      
Fair value of plan assets at beginning of year 21,808 18,637  
Actual return on plan assets 3,160 2,442  
Employer contributions through December 31 828 2,014  
Benefits paid (1,158) (1,285)  
Fair value of plan assets at end of year 24,638 21,808 18,637
Funded Status: accrued pension liability (7,077) (14,401)  
Salaried Pension Plan      
Threshold period of service considered for freezing benefits 5 years    
Benefit accrual as a percentage of pay 1.67%    
Reduced benefit accrual as a percentage of pay 1.00%    
Amount recognized in accumulated other comprehensive loss      
Reduction to the net actuarial loss recognized     1,408
Components of net periodic cost:      
Service cost 246 268 961
Interest cost 1,449 1,482 1,539
Expected return on plan assets (1,409) (1,274) (1,357)
Amortization of net (gain) loss 1,205 770 454
Net periodic cost 1,491 1,246 1,597
Accumulated benefit obligation 31,623 34,949  
Pension benefits | Minimum
     
Change in plan assets:      
Employer contributions through December 31 828    
Postretirement benefits
     
Change in projected benefit obligation:      
Benefit obligation at beginning of year 6,812 8,402  
Service cost 250 281 263
Interest cost 245 360 407
Participant contributions 100 103  
Actuarial (gains) losses (2,085) (1,590)  
Benefits paid (448) (744)  
Benefit obligation at end of year 4,874 6,812 8,402
Amounts recognized in the consolidated balance sheets consisted of:      
Accrued expenses and other current liabilities 220 271  
Retiree health benefit obligation 4,654 6,541  
Amounts recognized in the consolidated balance sheets consisted 4,874 6,812  
Change in plan assets:      
Benefits paid (448) (744)  
Components of net periodic cost:      
Service cost 250 281 263
Interest cost 245 360 407
Amortization of net (gain) loss (172) (17) (61)
Net periodic cost $ 323 $ 624 $ 609
Postretirement benefits | Minimum
     
Employee retirement plans      
Period of service of employees 12 years    
Postretirement benefits | Maximum
     
Employee retirement plans      
Period of coverage under the plan 10 years