FAIR VALUE MEASUREMENTS (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value on a recurring basis	$ 110	$ 0
Contingent consideration	0	37,400
Performance-based equity awards	2,979	3,223
Total liabilities measured at fair value on a recurring basis	3,203	40,623
Foreign Currency Contract [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	110	0
Derivative liability	224	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value on a recurring basis	110	0
Contingent consideration	0	0
Performance-based equity awards	0	0
Total liabilities measured at fair value on a recurring basis	224	0
Level 2 | Foreign Currency Contract [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	110	0
Derivative liability	224	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets measured at fair value on a recurring basis	0	0
Contingent consideration	0	37,400
Performance-based equity awards	2,979	3,223
Total liabilities measured at fair value on a recurring basis	2,979	40,623
Level 3 | Foreign Currency Contract [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	0	0
Derivative liability	$ 0	$ 0