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GOODWILL AND OTHER INTANGIBLE ASSETS Estimated amortization expense (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
GOODWILL AND OTHER INTANGIBLES [Abstract]  
2017 $ 85,791
2018 75,502
2019 58,309
2020 43,488
2021 31,716
Thereafter $ 163,038