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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, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Segment Reporting Information [Line Items] |  |  |  |
Total consolidated operating earnings | $ 281,170 | $ 322,587 | $ 808,723 | $ 945,269
Segment Balances Before Intersegment Eliminations and Consolidation Reconciling Items [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total consolidated operating earnings | 309,775 | 352,241 | 907,363 | 1,044,454
Eliminations and Unallocated in Consolidation [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total consolidated operating earnings | $ (28,605) | $ (29,654) | $ (98,640) | $ (99,185)

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