ACCUMULATED OTHER COMPREHENSIVE LOSS 2 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest Charges	$ (3,420)		$ (5,195)	$ (8,128)		$ (10,688)
Other Income	2,665		3,658	6,534		5,531
Equity in Loss of Affiliated Companies	632		1,040	601		1,247
Income Tax Benefit (Expense)	11,632		1,072	3,860		(14,812)
Income from Continuing Operations	916		10,832	44,253		65,043
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income from Continuing Operations	88			4,679
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gain (Loss) on Derivatives-Other [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest Charges	112			224
Income Tax Benefit (Expense)	(46)	[1]		(92)	[1]
Income from Continuing Operations	66			132
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gain (Loss) on Available-for-Sale Securities [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other Income	0			(827)
Income Tax Benefit (Expense)	0	[1]		338	[1]
Income from Continuing Operations	0			(489)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Other Comprehensive Income (Loss) of Affiliated Companies [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Equity in Loss of Affiliated Companies	35			8,511
Income Tax Benefit (Expense)	(13)	[1]		(3,475)	[1]
Income from Continuing Operations	$ 22			$ 5,036

[1] Determined using a combined statutory tax rate of 41%.