|
Financial Instruments And Risk Management (Balance Sheet Classification And Fair Value Of Derivative Instruments) (Details) (Currency Forward Contracts [Member], USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2013
|
Dec. 31, 2012
|
Jun. 30, 2012
|
|---|---|---|---|
|
Prepaid Expenses And Other Current Assets [Member] | Derivative Instruments Designated As Cash Flow Hedges [Member]
|
|||
| Derivatives, Fair Value [Line Items] | |||
| Fair value of derivative assets | $ 2,516 | $ 2,147 | $ 3,993 |
|
Prepaid Expenses And Other Current Assets [Member] | Derivative Instruments Not Designated As Cash Flow Hedges [Member]
|
|||
| Derivatives, Fair Value [Line Items] | |||
| Fair value of derivative assets | 1,855 | 4,072 | 3,553 |
|
Other Non-Current Assets [Member] | Derivative Instruments Designated As Cash Flow Hedges [Member]
|
|||
| Derivatives, Fair Value [Line Items] | |||
| Fair value of derivative assets | 343 | 489 | 0 |
|
Accrued Liabilities [Member] | Derivative Instruments Designated As Cash Flow Hedges [Member]
|
|||
| Derivatives, Fair Value [Line Items] | |||
| Fair value of derivative liabilities | 262 | 579 | 225 |
|
Accrued Liabilities [Member] | Derivative Instruments Not Designated As Cash Flow Hedges [Member]
|
|||
| Derivatives, Fair Value [Line Items] | |||
| Fair value of derivative liabilities | $ 460 | $ 743 | $ 1,675 |