FAIR VALUE MEASUREMENTS (Details 2) (Level 3, USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Contractual contingent liabilities at January 1, 2014	$ 0
Liability-classified stock-based awards	481
Changes in fair value of contractual contingent liabilities included in earnings	(4)
Changes in fair value of contractual contingent liabilities recorded against goodwill	0
Effect of net foreign currency exchange rate changes	91
Settlements of contractual contingent liabilities	0
Contractual contingent liabilities at June 30, 2014	33,793
Netsoft
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	1,825
Jointech
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	20,000
GGA
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ 11,400