Derivative Financial Instruments (Offsetting of Derivative Assets) (Details) (Foreign Exchange Forward [Member], USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Foreign Exchange Forward [Member]
    
Offsetting Assets [Line Items]    
Derivative Asset, Fair Value, Gross Asset $ 555 [1] $ 310 [1]
Derivative Asset, Fair Value, Gross Liability 0 0
Derivative Asset, Fair Value, Amount Not Offset Against Collateral 555 310
Derivative, Collateral, Obligation to Return Securities (78) [2] (62) [2]
Derivative, Collateral, Obligation to Return Cash 0 0
Derivative Asset, Fair Value, Amount Offset Against Collateral $ 477 $ 248
[1] Included in prepaid expenses and other current assets on the condensed consolidated balance sheets.
[2] The balances at March 31, 2015 and December 31, 2014 were related to derivative liabilities which are allowed to be net settled against derivative assets in accordance with the master netting agreements.