ACCUMULATED OTHER COMPREHENSIVE INCOME (Reclassifications From Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Amount Reclassified from Accumulated Other Comprehensive Income
Interest expense	$ 8,262	$ 8,591
Total before tax	(69,480)	(59,845)
Tax benefit	17,675	15,979
Total reclassifications for the period	(51,820)	(43,863)
Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Total reclassifications for the period	886	840
Defined Benefit Pension Plans | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Amortization of net loss	1,248	1,205
Amortization of prior service cost	94	87
Total before tax	1,342	1,292
Tax benefit	(463)	(459)
Total reclassifications for the period	879	833
Other | Treasury locks | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Interest expense	10	10
Total before tax	10	10
Tax benefit	(3)	(3)
Total reclassifications for the period	$ 7	$ 7