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ACQUISITIONS - SCHEDULE OF PURCHASE PRICE ALLOCATION (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Assets Acquired
Goodwill	$ 1,771,877	$ 1,730,950	$ 1,681,662
Total assets acquired	0	76,980	192,099
Liabilities Assumed
Total liabilities assumed	$ 0	$ 25,058	$ 39,836

X

- Definition

Amount of assets acquired at the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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