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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Summary Of Financial Assets And Liabilities Accounted For At Fair Value
The table below sets forth, by level, the Company’s financial assets and liabilities that are recorded at fair value in the accompanying condensed consolidated balance sheet: 
 
 
March 31, 2014
 
 
Total
 
Level 1
 
Level 2
 
Level 3
 
 
(In thousands)
Assets:
 
 

 
 

 
 

 
 

Investments in marketable securities
 
$
263,497

 
$
14,925

 
$
248,572

 
$

Derivatives
 
15,151

 
10,956

 
218

 
3,977

Total assets
 
$
278,648

 
$
25,881

 
$
248,790

 
$
3,977

Summary Of Change In The Fair Values Of Financial Instruments Categorized As Level 3
The following table summarizes the change in the fair values of financial instruments categorized as level 3.
 
 
Three Months Ended March 31, 2014
 
 
(In thousands)
Balance, beginning of period
 
$
4,946

Realized and unrealized losses recognized in earnings, net
 
(2,925
)
Purchases
 
1,956

Ending balance
 
$
3,977