Amount of asset recognized arising from contingent consideration in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Nov. 30, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingently returnable consideration	$ 8,341	$ 16,131
Contingent purchase consideration	4,674	7,293
Fair value, measurements, recurring \| Contingent Purchase Consideration
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deal related compensation expense, accretion charges and changes related to settlements of contractual non-compliance liabilities	38
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingently returnable consideration	8,341	16,131
Contingent purchase consideration	4,674	$ 7,293
Level 3 \| Prepaid expenses and other current assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingently returnable consideration	8,400
Simena
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent purchase consideration			$ 8,000
Simena \| Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent purchase consideration	$ 5,000