FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2018

FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES

Schedule of financial assets and liabilities recorded at fair value on a recurring basis

March 31, 2018	Level 1		Level 2			Level 3		Total
Cash	$	394,221	$	-		$	-	$	394,221
Money market funds	39,228		-			-		39,228
Certificates of deposit	-		16,985			-		16,985
Commercial paper	-		60,825			-		60,825
Variable rate demand notes	-		27,416			-		27,416
Municipal securities	-		481,250			-		481,250
U.S. government agency securities	-		80,154			-		80,154
U.S. Treasuries	-		-			-		-
Foreign currency derivatives	-		(95		)	-		(95		)
Total	$	433,449	$	666,535		$	-	$	1,099,984
Amounts included in:
Cash and cash equivalents	$	433,449	$	77,911		$	-	$	511,360
Short-term investments	-		585,222			-		585,222
Accounts receivable, net	-		208			-		208
Investments	-		3,497			-		3,497
Accrued liabilities	-		(303		)	-		(303		)
Total	$	433,449	$	666,535		$	-	$	1,099,984
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