v2.4.0.8
EMPLOYEE BENEFIT PLANS (Details) (USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
EMPLOYEE BENEFIT PLANS    
Qualification age of employees for participation in the savings plan (in years) 21 years  
Minimum service in first twelve months of employment for eligibility (in hours) 1000 hours  
Initial period of employment for eligibility (in months) 12 months  
Anticipated contributions by the company during the calendar year 2014 $ 3,092,000  
Pension Benefits
    
Components of net periodic benefit cost:    
Service cost   45,000
Interest cost 1,152,000 1,128,000
Expected return on plan assets (1,307,000) (1,177,000)
Amortization of net gain (259,000)  
Net periodic benefit cost (credit) (414,000) (4,000)
Other Benefits
    
Components of net periodic benefit cost:    
Service cost 9,000 49,000
Interest cost 53,000 217,000
Amortization of net gain (87,000) (19,000)
Amortization of prior service credit (416,000)  
Net periodic benefit cost (credit) $ (441,000) $ 247,000