Derivatives and Hedging - Summary of Fair Value of Derivative Instruments by Contract Type and Location of Asset and/or Liability on Consolidated Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Other Current Assets
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts, asset derivatives designated as hedging instruments, fair value	$ 1,864	$ 0
Foreign currency exchange contracts, asset derivatives not designated as hedging instruments, fair value	316	40
Accounts payable and accrued expenses
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts, liability derivatives not designated as hedging instruments, fair value	$ 485	$ 246