Deferred Revenue (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
---|---|---|
Deferred Revenue Arrangement [Line Items] | ||
Total deferred revenue | $ 185,018 | $ 163,437 |
Less: Deferred revenue, net of current portion | (11,119) | (9,772) |
Deferred revenue, current portion | 173,899 | 153,665 |
Maintenance [Member]
|
||
Deferred Revenue Arrangement [Line Items] | ||
Total deferred revenue | 81,741 | 81,913 |
Subscriptions [Member]
|
||
Deferred Revenue Arrangement [Line Items] | ||
Total deferred revenue | 65,850 | 50,849 |
Services [Member]
|
||
Deferred Revenue Arrangement [Line Items] | ||
Total deferred revenue | 36,904 | 29,675 |
License fees and other [Member]
|
||
Deferred Revenue Arrangement [Line Items] | ||
Total deferred revenue | $ 523 | $ 1,000 |