Commitments and Contingencies - Additional Information (Detail) $ in Millions	12 Months Ended
Dec. 31, 2013 USD ($)
Datawatch Corporation [Member] \| Panopticon AB [Member] \| Swedish Tax Authorities [Member]
Loss Contingencies [Line Items]
Tax assessment, penalties and interest amount related to acquisition	$ 6.6

The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration