Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Fair Values of our Derivative Assets and Liabilities

The fair values of our derivative assets and liabilities measured on a recurring basis as of December 31 are categorized as follows (in thousands):

	2016								2015
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Derivative assets in other current assets 1	$	142	$	—	$	142	$	—	$	36	$	—	$	36	$	—
Derivative liabilities in accrued liabilities and other1	$	1,234	$	—	$	1,234	$	—	$	524	$	—	$	524	$	—

¹  Based on observable market transactions of spot and forward rates.

Notional Amount of Foreign Exchange Contracts

The following table summarizes the notional amount of our open foreign exchange contracts at December 31 (in thousands):

	2016				2015
	U.S. $ Equivalent		U.S. Equivalent Fair Value		U.S. $ Equivalent		U.S. Equivalent Fair Value
Commitments to buy or sell currencies	$	18,593	$	17,213	$	15,490	$	15,479

Effect of Derivative Instruments on Consolidated Statements of Income for Derivatives not Designated as Accounting Hedges

The following table summarizes the effect of derivative instruments on the consolidated statements of income for derivatives not designated as accounting hedges at December 31 (in thousands):

		2016		2015
	Location of Loss Recognized in Income on Derivatives	Amount of Loss Recognized in Income on Derivatives
Foreign exchange contracts	Cost of Revenues	$	603	$	151

Carrying Amounts and Fair Values of Our Long-Term Debt Obligations

The carrying amounts and fair values of our long-term debt at December 31 are as follows (in thousands):

	2016				2015 (as adjusted)
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Long-term debt	$	233,154	$	231,391	$	232,956	$	190,063