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INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Amortization of intangible assets		$ 191,358	$ 208,172	$ 593,256	$ 666,041
Goodwill		8,138,511		8,138,511		$ 8,012,416
Cheddar
Business Acquisition [Line Items]
Consideration transfered	$ 200,000
Identifiable tangible and intangible assets and liabilities		198,588		198,588
Goodwill		126,241		126,241
Customer relationships \| Cheddar
Business Acquisition [Line Items]
Amortizable intangible assets		47,110		47,110
Trade names \| Cheddar
Business Acquisition [Line Items]
Amortizable intangible assets		14,000		14,000
Other amortizable intangibles \| Cheddar
Business Acquisition [Line Items]
Amortizable intangible assets		$ 11,900		$ 11,900