|
Fair Value Measurements (Schedule of Balance Sheet Classification and Fair Values of Derivative Instruments) (Details)
In Thousands, unless otherwise specified |
Jun. 30, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
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 | |||||||
| Notional amount | 97,800 | 72,250 | ||||||||
| Assets derivatives - Fair value | 197 | 153 | 310 | 301 | ||||||
| Liability derivatives - Fair value | (430) | (1,543) | ||||||||
| Fair value | $ 77 | $ (1,089) |