ACCUMULATED OTHER COMPREHENSIVE INCOME/ (LOSS) (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Amount Reclassified from Accumulated Other Comprehensive Income
Changes in treasury locks	$ 4,841	$ 4,721	$ 15,364	$ 13,867
Net loss on derivatives	(576)	(335)	(2,271)	(2,157)
Total before tax	(68,326)	(63,026)	(203,998)	(191,844)
Tax benefit	23,094	20,925	68,908	64,278
Total reclassifications for the period	(45,264)	(42,127)	(135,095)	(127,622)
Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Total reclassifications for the period	1,109	756	3,333	2,421
Defined Benefit Pension Plans | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Amortization of net loss	1,629	1,094	4,880	3,262
Amortization of prior service cost	93	89	280	273
Total before tax	1,722	1,183	5,160	3,535
Tax benefit	(622)	(441)	(1,866)	(1,301)
Total reclassifications for the period	1,100	742	3,294	2,234
Other | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Total before tax	14	22	60	57
Tax benefit	(5)	(8)	(21)	130
Total reclassifications for the period	9	14	39	187
Other | Treasury locks | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Changes in treasury locks	14	22	60	67
Other | Foreign exchange contract | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Net loss on derivatives				$ (10)