Financial Statement Detail (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Deferred Revenue Arrangement [Line Items]
Deferred Revenue	$ 183,142	$ 193,916
Term License Deferred Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue	99,738	99,473
Term Implementations Deferred Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue	37,045	40,221
Perpetual License And Maintenance Deferred Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue	25,578	32,657
Other Recurring Deferred Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue	$ 20,781	$ 21,565