Investments

12 Months Ended

Dec. 31, 2011

Investments [Abstract]

Investments

Note 4—Investments

The Company's held-to-maturity securities at December 31, 2011 and 2010 consisted of certificates of deposit as follows:

	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
December 31, 2011	$	55,694	$	—	$	—	$	55,694
December 31, 2010	$	20,069	$	—	$	—	$	20,069

The Company's available-for-sale and held-to-maturity securities were included in the following captions in its consolidated balance sheets:

	December 31, 2011				December 31, 2010
	Available- for-sale securities:		Held-to- maturity securities:		Available- for-sale securities		Held-to- maturity securities:
	(In thousands)
Short-term investments	$	—	$	55,694	$	1	$	20,069

The Company's held-to-maturity securities had the following maturity dates:

	December 31, 2011		December 31, 2010
	(In thousands)
One year or less	$	55,694	$	20,069

Proceeds from the sales of available-for-sale securities and the gross realized investment gains and losses on those sales reclassified out of accumulated other comprehensive income for the years ended December 31, 2011, 2010 and 2009 were as follows:

	Year Ended December 31,
	2011		2010		2009
	(In thousands)
Proceeds	$	—	$	—	$	4,170
Gross realized investment gains		—		—		834
Gross realized investment losses	$	—	$	—	$	652

The specific identification method was used to determine the cost of the sold securities.