ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Reclassifications From Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Amount Reclassified from Accumulated Other Comprehensive Income
Miscellaneous, net									$ 5,550	$ 6,694	$ (407)
Interest expense									32,626	40,597	35,237
Total before tax									(266,020)	(294,825)	(280,497)
Tax benefit									71,254	74,796	74,893
Total reclassifications for the period	$ (40,674)	$ (38,996)	$ (55,775)	$ (59,300)	$ (49,513)	$ (53,523)	$ (65,174)	$ (51,820)	(194,745)	(220,030)	(205,590)
Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Total reclassifications for the period									(9,536)	12,772	3,050
Defined Benefit Pension Plans | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Amortization of net loss									6,589	5,100	4,823
Amortization of prior service cost									720	400	350
Total before tax									7,309	5,500	5,173
Tax benefit									(1,785)	(1,376)	(1,781)
Total reclassifications for the period									5,524	4,124	3,392
Foreign Currency | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Miscellaneous, net											368
Total before tax											(368)
Total reclassifications for the period											(368)
Derivatives | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Total before tax									(18,149)	10,427	40
Tax benefit									3,089	(1,779)	(14)
Total reclassifications for the period									(15,060)	8,648	26
Derivatives | Treasury locks | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Interest expense									26	42	$ 40
Derivatives | Cross Currency Swap Contract: Interest Component | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Interest expense									(5,150)	(1,526)
Derivatives | Cross Currency Swap Contract: Foreign Exchange Component | Amount Reclassified from Accumulated Other Comprehensive Income
Amount Reclassified from Accumulated Other Comprehensive Income
Miscellaneous, net									$ (13,025)	$ 11,911