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ACQUISITIONS - SCHEDULE OF PURCHASE PRICE ALLOCATION (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Assets Acquired |  |  |
Goodwill | $ 1,720,714 | $ 1,681,662 | $ 1,735,440
Total assets acquired | 76,980 | 192,099 | 153,597
Liabilities Assumed |  |  |
Total liabilities assumed | $ 25,058 | $ 39,836 | $ 19,772

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