Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2018

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Information Related to Recurring Fair Value Measurement of Derivative Instruments in Our Consolidated Condensed Balance Sheet

Information related to the recurring fair value measurement of derivative instruments in our consolidated condensed balance sheet as of September 30, 2018 is as follows:  

			Asset Derivatives				Liability Derivatives			Net Asset/ (Liabilities)
	Hedge Designation	Fair Value Hierarchy	Balance Sheet Location		Fair Value		Balance Sheet Location	Fair Value
Foreign currency derivatives	Cash flow hedge	Level 2		Current assets	$	1,299	Current liabilities	$	—	$	1,299

Information Related to Effect of Derivative Instruments on Our Consolidated Condensed Statements of Income

Information relating to the effect of derivative instruments on our consolidated condensed statements of income is as follows:

	Location	Three Months Ended September 30, 2018		Three Months Ended September 30, 2017			Nine Months Ended September 30, 2018			Nine Months Ended September 30, 2017
Foreign currency derivatives	Product revenues	$	—	$	54		$	—		$	54
	Cost of sales		391		1,424			(214	)		1,303
	Selling, general and administrative	—		—				75			(216	)
	Other comprehensive income		1,753	(1,234		)		2,304			2,541
	Foreign currency (loss) gain		11	15				58			(62	)
Total foreign currency derivatives		$	2,155	$	259		$	2,223		$	3,620
Commodity derivatives	Cost of sales	$	—	$	(4	)		145		$	25
	Other comprehensive income	—		136				(218	)		184
Total commodity derivatives		$	—	$	132		$$	(73	)	$	209