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SEGMENT INFORMATION - Schedule of Reconciliation of Operating Earnings from Segment to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Total consolidated operating earnings	$ 322,587	$ 340,729	$ 945,269	$ 1,048,694
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member]
Segment Reporting Information [Line Items]
Total consolidated operating earnings	352,241	377,261	1,044,454	1,156,453
Eliminations and Unallocated in Consolidation [Member]
Segment Reporting Information [Line Items]
Total consolidated operating earnings	$ (29,654)	$ (36,532)	$ (99,185)	$ (107,759)

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