FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Financial Assets Measured at Fair Value on Recurring Basis

The Company’s financial assets measured at fair value on a recurring basis, excluding accrued interest components, consisted of the following types of instruments as of the following dates:

	December 31, 2019
	Fair value measurements using input type
	Level 1		Level 2		Total
Cash equivalents:
Money market funds	$	59.7	$	-	$	59.7
Marketable securities:
Government and corporate debentures - fixed interest rate		-		3,008.9		3,008.9
Government-sponsored enterprises debentures		-		475.6		475.6
Government and corporate debentures - floating interest rate		-		184.4		184.4
Foreign currency derivative contracts		-		0.7		0.7
Total financial assets	$	59.7	$	3,669.6	$	3,729.3

	December 31, 2018
	Fair value measurements using input type
	Level 1		Level 2			Total
Cash equivalents:
Money market funds	$	50.2	$	-		$	50.2
Marketable securities:
Government and corporate debentures - fixed interest rate		-		2,997.3			2,997.3
Government-sponsored enterprises debentures		-		609.8			609.8
Government and corporate debentures - floating interest rate		-		122.9			122.9
Foreign currency derivative contracts		-		(0.8	)		(0.8	)
Total financial assets, net	$	50.2	$	3,729.2		$	3,779.4