EMPLOYEE BENEFIT PLANS Table (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Pension Plans (the pension plan, the excess pension plan and the SERP) [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 4,080	$ 3,904	$ 12,240	$ 11,712
Interest cost	1,259	1,003	3,777	3,009
Expected return on assets	(1,134)	(979)	(3,402)	(2,937)
Amortization of prior service credit	(10)	(4)	(30)	(12)
Amortization of net loss	518	348	1,554	1,044
Net periodic benefit cost before other charges	4,713	4,272	14,139	12,816
Defined Benefit Plan, Other Changes	1,044	0	1,224	0
Net periodic benefit cost	5,757	4,272	15,363	12,816
Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	293	315	879	945
Interest cost	235	244	705	732
Expected return on assets	0	0	0	0
Amortization of prior service credit	(50)	0	(150)	0
Amortization of net loss	52	35	156	105
Net periodic benefit cost before other charges	530	594	1,590	1,782
Defined Benefit Plan, Other Changes	0	0	0	0
Net periodic benefit cost	$ 530	$ 594	$ 1,590	$ 1,782