FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingently returnable consideration	$ 16,131
Tax effected portion of contingently returnable consideration	2,700
Liability adjustment included in earnings		$ (9)
Fair value assumption, discount rate		3.30%
Fair value, measurements, recurring | Contingent consideration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingently returnable consideration	0
Liability adjustment included in earnings	(152)	$ (193)
Fair value, measurements, recurring | Contingent Contractual Non-compliance Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability adjustment included in earnings		49
Fair value, measurements, recurring | Contingent Contractual Non-compliance Liability, Updated
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability adjustment included in earnings		$ (153)
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingently returnable consideration	16,131
Level 3 | Prepaid expenses and other current assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingently returnable consideration	$ 16,100