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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GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Goodwill
Impairment charges		$ 300,300
Goodwill		469,278	$ 766,980
Impairment charges of finite-lived assets	$ 0
EWDS
Goodwill
Impairment charges	283,600
Goodwill		27,200
International reporting unit
Goodwill
Impairment charges	$ 16,700
Goodwill		$ 1,700