FAIR VALUE MEASUREMENTS (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	$ 0	$ 37,400
Performance-based equity awards	801	3,223
Total liabilities measured at fair value on a recurring basis	$ 801	40,623
Jointech
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock issued, number of shares	83,057
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	$ 0	37,400
Performance-based equity awards	801	3,223
Total liabilities measured at fair value on a recurring basis	$ 801	$ 40,623