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Fair Value (Tables)
9 Months Ended
Sep. 30, 2011
Fair Value [Abstract] 
Long-Term Investments Measured At Fair Value

(in thousands)

 

2011

 

 

2010

 

Balance as of January 1

 

$

35,297

 

 

$

45,686

 

Net unrealized gains included in other comprehensive loss

 

 

598

 

 

 

791

 

Sales of investments at par value

 

 

(11,100

)

 

 

(10,225

)

Balance as of September 30

 

$

24,795

 

 

$

36,252

 

 

 

 

 

 

 

 

 

 

Unrealized losses still held as of September 30

 

$

3,255

 

 

$

3,598