Investments (Tables)

6 Months Ended

Jun. 30, 2011

Securities and investments recorded at either fair value or cost


	Amortized		Gross Unrealized					Carrying
*(In thousands)*	Cost		Gains		Losses			Value

Deferred compensation plan assets	$	6,438	$	351	$	—		$	6,789
Corporate bonds		200,280		971		(362	)		200,889
Municipal fixed-rate bonds		117,262		597		(5	)		117,854
Municipal variable rate demand notes		94,870		—		—			94,870
Fixed income bond fund		526		225		—			751
Marketable equity securities		12,119		27,516		(212	)		39,423

Available-for-sale securities held at fair value	$	431,495	$	29,660	$	(579	)	$	460,576

Restricted investment held at cost									48,250
Other investments held at cost									2,296

Total carrying value of available-for-sale investments								$	511,122


	Amortized		Gross Unrealized					Carrying
*(In thousands)*	Cost		Gains		Losses			Value

Deferred compensation plan assets	$	3,483	$	770	$	(7	)	$	4,246
Corporate bonds		126,671		630		(229	)		127,072
Municipal fixed-rate bonds		71,212		268		(13	)		71,467
Municipal variable rate demand notes		116,745		—		—			116,745
Fixed income bond fund		526		220		—			746
Marketable equity securities		11,486		36,657		(133	)		48,010

Available-for-sale securities held at fair value	$	330,123	$	38,545	$	(382	)	$	368,286

Restricted investment held at cost									48,250
Other investments held at cost									2,103

Total carrying value of available-for-sale investments								$	418,639

Fair value measurement of cash equivalents held in money market funds and our investments


	Fair Value Measurements at June 30, 2011 Using
			Quoted Prices
			in Active		Significant
			Market for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
*(In thousands)*	Fair Value		(Level 1)		(Level 2)		(Level 3)
Cash equivalents
Money market funds	$	10,737	$	10,737	$	—	$	—


Available-for-sale securities
Deferred compensation plan assets		6,789		6,789		—		—
Available-for-sale debt securities
Corporate bonds		200,889		—		200,889		—
Municipal fixed-rate bonds		117,854		—		117,854		—
Municipal variable rate demand notes		94,870		—		94,870		—
Fixed income bond fund		751		751		—		—
Available-for-sale marketable equity securities
Equity securities — technology industry		25,591		25,591		—		—
Equity securities — other		13,832		13,832		—		—

Available-for-sale securities		460,576		46,963		413,613		—

Total	$	471,313	$	57,700	$	413,613	$	—


	Fair Value Measurements at December 31, 2010 Using
			Quoted Prices
			in Active		Significant
			Market for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
*(In thousands)*	Fair Value		(Level 1)		(Level 2)		(Level 3)
Cash equivalents
Money market funds	$	14,532	$	14,532	$	—	$	—


Available-for-sale securities
Deferred compensation plan assets		4,246		4,246		—		—
Available-for-sale debt securities
Corporate bonds		127,072		—		127,072		—
Municipal fixed-rate bonds		71,467		—		71,467		—
Municipal variable rate demand notes		116,745		—		116,745		—
Fixed income bond fund		746		746		—		—
Available-for-sale marketable equity securities
Equity securities — technology industry		35,596		35,596		—		—
Equity securities — other		12,414		12,414		—		—

Available-for-sale securities		368,286		53,002		315,284		—

Total	$	382,818	$	67,534	$	315,284	$	—

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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