v2.4.0.8
Deferred Revenue (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Deferred Revenue Arrangement [Line Items]    
Deferred revenue, current $ 36,088 $ 46,293
Long term portion: 1,604 1,640
Deferred revenue 37,692 47,933
Maintenance and support
   
Deferred Revenue Arrangement [Line Items]    
Deferred revenue, current 32,378 42,407
Other
   
Deferred Revenue Arrangement [Line Items]    
Deferred revenue, current $ 3,710 $ 3,886