FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Tables)

9 Months Ended

Sep. 30, 2018

September 30, 2018	Level 1		Level 2			Level 3		Total
Cash	$	523,097	$	-		$	-	$	523,097
Money market funds	87,546		-			-		87,546
Certificates of deposit	-		59,104			-		59,104
Commercial paper	-		75,257			-		75,257
Variable rate demand notes	-		34,346			-		34,346
Municipal securities	-		153,204			-		153,204
U.S. government agency securities	-		128,887			-		128,887
U.S. Treasuries	-		111,781			-		111,781
Foreign currency derivatives	-		178			-		178

Total	$	610,643	$	562,757		$	-	$	1,173,400


Amounts included in:
Cash and cash equivalents	$	610,643	$	103,071		$	-	$	713,714
Short-term investments	-		457,898			-		457,898
Accounts receivable, net	-		271			-		271
Investments	-		1,610			-		1,610
Accrued liabilities	-		(93		)	-		(93		)

Total	$	610,643	$	562,757		$	-	$	1,173,400


December 31, 2017	Level 1		Level 2			Level 3		Total

Cash	$	310,885	$	-		$	-	$	310,885
Money market funds	112,848		-			-		112,848
Certificates of deposit	-		15,720			-		15,720
Commercial paper	-		99,903			-		99,903
Variable rate demand notes	-		49,954			-		49,954
Municipal securities	-		529,984			-		529,984
U.S. government agency securities	-		81,230			-		81,230
U.S. Treasuries	-		3,397			-		3,397
Foreign currency derivatives	-		(1,484		)	-		(1,484		)

Total	$	423,733	$	778,704		$	-	$	1,202,437


Amounts included in:
Cash and cash equivalents	$	423,733	$	104,889		$	-	$	528,622
Short-term investments	-		672,933			-		672,933
Accounts receivable, net	-		95			-		95
Investments	-		2,366			-		2,366
Accrued liabilities	-		(1,579		)	-		(1,579		)

Total	$	423,733	$	778,704		$	-	$	1,202,437