EMPLOYEE BENEFIT PLANS (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 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			$ 2,360,000
Pension Benefits
Components of net periodic benefit cost:
Service cost		45,000		135,000
Interest cost	1,153,000	1,128,000	3,457,000	3,384,000
Expected return on plan assets	(1,308,000)	(1,177,000)	(3,922,000)	(3,530,000)
Amortization of net gain	(259,000)		(776,000)
Net periodic benefit cost (credit)	(414,000)	(4,000)	(1,241,000)	(11,000)
Other Benefits
Components of net periodic benefit cost:
Service cost	9,000	49,000	27,000	146,000
Interest cost	54,000	217,000	160,000	652,000
Amortization of net gain	(87,000)	(20,000)	(261,000)	(58,000)
Amortization of prior service credit	(417,000)		(1,249,000)
Net periodic benefit cost (credit)	$ (441,000)	$ 246,000	$ (1,323,000)	$ 740,000