INVESTMENTS (TABLES)

9 Months Ended

Sep. 30, 2011

Notes To Consolidated Financial Statement Abstract

Schedule Of Available For Sale Securities Reconciliation Table Text Block

	September 30, 2011
							Other-Than-
			Gross		Gross		Temporary
			Unrealized		Unrealized		Impairment		Fair
	Cost		Gains		Losses		Losses		Value
Corporate notes and bonds	$	345,409	$	211	$	(949)	$	-	$	344,671
Federal agency notes and bonds		239,360		532		(56)		-		239,836
Auction rate floating securities		24,300		-		(6,232)		-		18,068
Asset-backed securities		33,114		13		(5)		-		33,122
Total securities	$	642,183	$	756	$	(7,242)	$	-	$	635,697

Investments Classified By Contractual Maturity Date Table Text Block

	September 30, 2011
			Estimated
	Cost		Fair Value
Available-for-sale
Due in one year or less	$	296,177	$	296,406
Due after one year through five years		321,706		321,223
Due after 10 years		24,300		18,068
	$	642,183	$	635,697

Schedule Of Unrealized Loss On Investments Table Text Block

	Less Than 12 Months				Greater Than 12 Months
			Gross				Gross
	Fair		Unrealized		Fair		Unrealized
	Value		Loss		Value		Loss
Corporate notes and bonds	$	208,222	$	948	$	-	$	-
Federal agency notes and bonds		71,824		56		-		-
Auction rate floating securities		-		-		18,068		6,232
Asset-backed securities		9,322		5		-		-
Total securities	$	289,368	$	1,009	$	18,068	$	6,232