|
Segment Information Revenues By Region (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2013
|
Mar. 31, 2012
|
|
| Revenues from External Customers [Line Items] | ||
| Revenues | $ 447,536 | $ 571,640 |
|
United States and Canada (Member)
|
||
| Revenues from External Customers [Line Items] | ||
| Revenues | 177,206 | 284,587 |
|
Europe, Middle East, and Africa (Member)
|
||
| Revenues from External Customers [Line Items] | ||
| Revenues | 211,895 | 220,956 |
|
OtherCountries [Member]
|
||
| Revenues from External Customers [Line Items] | ||
| Revenues | $ 58,435 | $ 66,097 |