SEGMENT AND GEOGRAPHIC INFORMATION - Total Revenue by Geography (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Total revenue	$ 107,852	$ 81,805
United States
Segment Reporting Information [Line Items]
Total revenue	86,018	62,772
Europe
Segment Reporting Information [Line Items]
Total revenue	9,046	8,939
Asia
Segment Reporting Information [Line Items]
Total revenue	6,717	3,903
Rest of the world
Segment Reporting Information [Line Items]
Total revenue	$ 6,071	$ 6,191

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration