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Commitments And Contingencies (Schedule Of Commitments And Obligations) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended |
|---|---|
|
Dec. 31, 2011
|
|
| Commitments And Obligations [Line Items] | |
| Total | $ 135,897 |
| Less than 1 year | 133,576 |
| 1 to 3 years | 2,321 |
|
Purchase Obligations [Member]
|
|
| Commitments And Obligations [Line Items] | |
| Total | 35,984 |
| Less than 1 year | 35,018 |
| 1 to 3 years | 966 |
|
Guarantees [Member]
|
|
| Commitments And Obligations [Line Items] | |
| Total | 77,762 |
| Less than 1 year | 77,007 |
| 1 to 3 years | 755 |
|
Letters Of Credit [Member]
|
|
| Commitments And Obligations [Line Items] | |
| Total | 22,151 |
| Less than 1 year | 21,551 |
| 1 to 3 years | $ 600 |