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INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Amortization of intangible assets		$ 201,279	$ 226,052	$ 401,898	$ 457,869
Goodwill	$ 8,138,086	8,138,086		8,138,086		$ 8,012,416
Cheddar
Business Acquisition [Line Items]
Consideration transfered	200,000
Identifiable tangible and intangible assets and liabilities	198,588	198,588		198,588
Goodwill	125,651	125,651		125,651
Customer relationships \| Cheddar
Business Acquisition [Line Items]
Amortizable intangible assets	47,110	47,110		47,110
Trade names \| Cheddar
Business Acquisition [Line Items]
Amortizable intangible assets	14,000	14,000		14,000
Other amortizable intangibles \| Cheddar
Business Acquisition [Line Items]
Amortizable intangible assets	$ 11,900	$ 11,900		$ 11,900