FAIR VALUE MEASUREMENTS (Reconciliation of Beginning and Ending Balances of Assets and Liabilities Unobservable Inputs) (Details) - Jun. 30, 2015 - Significant Unobservable Inputs, Level 3 [Member] - USD ($)	Total
Liabilities
Balance, December 31, 2014	$ 22,000,000
Settlements	(1,000,000)
Included in earnings	(14,000,000)
Balance, June 30, 2015	7,000,000
Call Option Derivative Liability [Member]
Liabilities
Balance, December 31, 2014	5,000,000
Settlements	0
Included in earnings	(1,000,000)
Balance, June 30, 2015	4,000,000
Contingent Consideration [Member]
Liabilities
Balance, December 31, 2014	17,000,000
Settlements	(1,000,000)
Included in earnings	(13,000,000)
Balance, June 30, 2015	3,000,000
Put Option Derivative Assets [Member]
Assets
Balance, December 31, 2014	1,000,000
Settlements	0
Included in earnings	(1,000,000)
Balance, June 30, 2015	$ 0