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GOODWILL AND OTHER INTANGIBLE ASSETS (Changes In Carrying Amount Of Goodwill) (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2017
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 1,318,362
Business acquisition and measurement period adjustments 2,876
Changes in foreign currency exchange rates 6,191
Goodwill reclassified to assets held for sale (160)
Impairments (46,335)
Ending balance $ 1,280,934