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Fair Value Measurement
12 Months Ended
Dec. 31, 2016
Fair Value Disclosures [Abstract]  
Fair Value Measurement
Fair Value Measurement
At December 31, 2016, our financial instruments consist of cash, accounts receivable, accounts payable, accrued liabilities and our revolving credit facility. The carrying value of these instruments approximates fair value as a result of the short duration of such instruments or due to the variability of the interest cost associated with such instruments.
Foreign Exchange Contracts. Our derivative assets and liabilities represent foreign exchange purchase and sales contracts that are measured at fair value using observable market inputs such as forward rates, interest rates, our own credit risk and our counterparties’ credit risks. Based on the utilization of these inputs, the derivative assets and liabilities are classified as Level 2. 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.
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


We consider the impact of our credit risk on the fair value of the contracts, as well as the ability to execute obligations under the contract.
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


Long-term debt.   The fair value of long-term debt obligations is based on a fair value model utilizing observable inputs. Based on the use of these inputs, our long-term debt is classified as Level 2. 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


Long-lived assets. There were no fair value measurements of our long-lived assets and definite-lived intangible assets measured on a non-recurring basis as of December 31, 2016, except for an impairment of $0.6 million recognized in the first quarter of 2016 for an asset held for sale based on the estimated selling price less selling costs of $0.8 million. The asset was classified as held and used at its estimated fair value of $0.8 million as of December 31, 2016. The impairment was recorded in selling, general and administrative expense in the consolidated statement of income. The asset is classified as Level 2. There were no fair value measurements of our long-lived assets and definite-lived intangible assets measured on a non-recurring basis as of December 31, 2015.