Schedule of Deferred Revenue (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Deferred Revenue Arrangement [Line Items]
Current deferred revenue	$ 120,501	$ 110,882
Long-term deferred revenue	24,535	34,196
Total deferred revenue	145,036	145,078
Software license
Deferred Revenue Arrangement [Line Items]
Current deferred revenue	25,610	28,826
Long-term deferred revenue	23,906	32,727
Maintenance
Deferred Revenue Arrangement [Line Items]
Current deferred revenue	83,917	72,715
Cloud
Deferred Revenue Arrangement [Line Items]
Current deferred revenue	5,317	2,552
Long-term deferred revenue	105	354
Services and other
Deferred Revenue Arrangement [Line Items]
Current deferred revenue	5,657	6,789
Maintenance and services
Deferred Revenue Arrangement [Line Items]
Long-term deferred revenue	$ 524	$ 1,115