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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2013
Fair Value Measurements [Abstract]  
Balance of assets and liabilities measured at fair value on a recurring basis
The following table presents the balance of assets and liabilities at December 31, 2013 measured at fair value on a recurring basis:
 
(in thousands)
 
Level 1 (1)
   
Level 2 (2)
   
Level 3 (3)
   
Total
 
Assets:
                       
Derivative contracts
  $ 390     $ 1,230     $ 62     $ 1,682  
Liabilities:
                               
Derivative contracts
  $ 13     $ 372     $     $ 385  
 
The following table presents the balance of assets and liabilities at December 31, 2012 measured at fair value on a recurring basis:
 
(in thousands)
 
Level 1 (1)
   
Level 2 (2)
   
Level 3 (3)
   
Total
 
Assets:
                       
Corporate debt securities
  $ 925     $ 9,560     $     $ 10,485  
Derivative contracts
          308             308  
Total
  $ 925     $ 9,868     $     $ 10,793  
Liabilities:
                               
Derivative contracts
  $     $ 152     $     $ 152  
 
(1) – quoted prices in active markets for identical assets or liabilities
(2) – observable inputs other than quoted prices in active markets for identical assets and liabilities
(3) – no observable pricing inputs in the market
 
Summary of the change in the balance of the Company's assets measured at fair value on a recurring basis using significant unobservable inputs
(in thousands)
 
Year ended
December 31,
2013
   
Year ended
December 31,
2012
   
Five Months
ended
December 31,
2011
   
Year ended
July 31,
2011
   
Five Months
ended
December 31,
2010
(Unaudited)
 
Balance, beginning of period
  $     $     $     $     $  
Total gains (losses) (realized or unrealized) included in earnings in “Direct cost of revenues”
    (142 )                                
Purchases, sales, issuances and settlements:
                                       
Purchases
    359                          
Settlement
    (155 )                        
                                         
Balance, end of period
  $ 62     $     $     $     $  
                                         
The amount of total gains  for the period included in earnings in “Direct cost of revenues” attributable to the change in unrealized gains or losses relating to assets held at the end of the period
  $ 62     $     $     $     $  
 
Summary of the change in the balance of the Company's liabilities measured at fair value on a recurring basis using significant unobservable inputs

(in thousands)
 
Year ended
December 31,
2013
   
Year ended
December 31,
2012
   
Five Months
ended
December 31,
2011
   
Year ended
July 31,
2011
   
Five Months
ended
December 31,
2010
(Unaudited)
 
Balance, beginning of period
  $     $     $ (101 )   $ (200 )   $ (200 )
Total gains (losses) (realized or unrealized):
                                       
Included in earnings in “Direct cost of revenues”
                             
Included in earnings in “Other (expense) income, net”
                60       (86 )     (280 )
Included in earnings in “Selling, general and administrative expense”
                41       (41 )     (500 )
Purchases, sales, issuances and settlements:
                                       
Settlement
                      226        
                                         
Balance, end of period
  $     $     $     $ (101 )   $ (980 )
The amount of total gains (losses) for the period attributable to the change in unrealized gains or losses relating to liabilities still held at the end of the period:
                                       
Included in earnings in “Direct cost of revenues”
  $     $     $     $     $  
Included in earnings in “Other (expense) income, net”
  $     $     $ 60     $     $ (280 )
Included in earnings in “Selling, general and administrative expense”
  $     $     $     $ (41 )   $ (500 )