FAIR VALUE MEASUREMENTS - Fair Value Measurements (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets:
Cash and cash equivalents	$ 22,236	$ 67,167
Short-term investments	380	413
Derivative Asset	515
Total assets	23,131	67,580
Liabilities:
Contingent consideration	19,941	12,527
Derivative Liability	2,408
Total liabilities	22,349	12,527
Level 1 Inputs [Member]
Assets:
Cash and cash equivalents	22,236	67,167
Short-term investments	380	413
Derivative Asset	0
Total assets	22,616	67,580
Liabilities:
Contingent consideration	0	0
Derivative Liability	0
Total liabilities	0	0
Level 2 Inputs [Member]
Assets:
Cash and cash equivalents	0	0
Short-term investments	0	0
Derivative Asset	515
Total assets	515	0
Liabilities:
Contingent consideration	0	0
Derivative Liability	2,408
Total liabilities	2,408	0
Level 3 Inputs [Member]
Assets:
Cash and cash equivalents	0	0
Short-term investments	0	0
Derivative Asset	0
Total assets	0	0
Liabilities:
Contingent consideration	19,941	12,527
Derivative Liability	0
Total liabilities	$ 19,941	$ 12,527