|
Fair Value Measurements (Narrative) (Details)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2014
USD ($)
|
Jun. 30, 2013
USD ($)
|
Jun. 30, 2014
USD ($)
|
Jun. 30, 2013
USD ($)
|
Jun. 30, 2014
Foreign Exchange Contract [Member]
Other current assets [Member]
Designated as Hedging Instrument [Member]
USD ($)
|
Dec. 31, 2013
Foreign Exchange Contract [Member]
Other current assets [Member]
Designated as Hedging Instrument [Member]
USD ($)
|
Jun. 30, 2014
Foreign Exchange Contract [Member]
Other current assets [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
|
Jun. 30, 2014
Foreign Exchange Contract [Member]
Other current assets [Member]
Not Designated as Hedging Instrument [Member]
ILS
|
Dec. 31, 2013
Foreign Exchange Contract [Member]
Other current assets [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
|
Jun. 30, 2014
Foreign Exchange Contract [Member]
Accrued expenses and other current liabilities [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
|
Jun. 30, 2014
Foreign Exchange Contract [Member]
Accrued expenses and other current liabilities [Member]
Not Designated as Hedging Instrument [Member]
EUR (€)
|
Dec. 31, 2013
Foreign Exchange Contract [Member]
Accrued expenses and other current liabilities [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
|
|
| Derivatives, Fair Value [Line Items] | ||||||||||||
| Assets derivatives - Notional amount | $ 15,288 | $ 5,760 | $ 10,512 | 36,800 | $ 12,490 | |||||||
| Liability derivatives - Notional amount | 72,000 | 52,900 | 54,000 | |||||||||
| Fair value adjustments on derivatives designated as cash flow hedges | $ 173 | $ 44 | ||||||||||