Foreign Currency Forward Exchange Contracts (Tables)

3 Months Ended

Mar. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Notional Amount of Foreign Exchange Contracts

The following table summarizes the notional amount of our open foreign exchange contracts:

	March 31, 2017				December 31, 2016
	U.S. $ Equivalent		U.S. $ Equivalent Fair Value		U.S. $ Equivalent		U.S. $ Equivalent Fair Value
Commitments to buy or sell currencies	$	16,929	$	17,267	$	18,593	$	17,213

Fair Value and Presentation in Consolidated Balance Sheets for Derivatives none of which are Designated as Accounting Hedges

The following table summarizes the fair value and presentation in the consolidated Balance Sheet for derivatives, none of which are designated as accounting hedges:

	Asset Derivatives
	March 31, 2017			December 31, 2016
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Foreign exchange contracts	Other current assets	$	483	Other current assets	$	142

	Liability Derivatives
	March 31, 2017			December 31, 2016
	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Foreign exchange contracts	Accrued liabilities	$	19	Accrued liabilities	$	1,234

Effect of Derivative Instruments on Consolidated Statements of Operations for Derivatives not Designated as Hedging Instruments

The following table summarizes the effect of derivative instruments on the consolidated Statement of Income for derivatives not designated as hedging instruments:

		Three months ended March 31,
		2017		2016
	Location of Gain  Recognized in Income on Derivatives	Amount of Gain  Recognized in Income on Derivatives
Foreign exchange contracts	Cost of Revenues	$	1,555	$	173