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MARKETABLE SECURITIES
 12 Months Ended
Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]  
MARKETABLE SECURITIES
NOTE 4:-
MARKETABLE SECURITIES
Marketable securities with contractual maturities of up to one year are as follows:
                                                                 
 
December 31,
 
 
2019
   
2018
 
 
Amortized
cost
 
  
Gross
unrealized
gains
 
  
Gross
unrealized
losses
 
  
Fair
value
 
  
Amortized
cost
 
  
Gross
unrealized
gains
 
  
Gross
unrealized
losses
 
  
Fair
value
 
                 
 
 
 
                                                
Government and corporate
 
debentures - fixed interest rate
 
$
1,078.3
 
 
  $
1.8
 
 
 
$
  (0.3
)
 
 
 
 
$1,079.8
 
 
$
   
1,203.3
 
 
  $
*)
 
 
  $
   
(5.0)
 
 
  $
   
1,198.3
 
Government-sponsored
 
enterprises debentures
 
 
205.5
 
 
 
0.2
 
 
 
(0.2
)
 
 
205.5
 
 
 
231.7
 
 
 
*)
 
 
 
(1.2)
 
 
 
230.5
 
Government and corporate debentures - floating interest rate
 
 
14.7
 
 
 
0.1
 
 
 
-
 
 
 
14.8
 
 
 
13.9
 
 
 
-
 
 
 
*)
 
 
 
13.9
  
                                                                 
                                                                 
 
$
1,298.5
       $
         
2.1
  
 
 
  
$
(0.5
)
 		    
 
 
$
 
1,300.1
     $
 
 
 
 
 
 
1,448.9
      $
  
 
 
       
*)
      $
 
 
 
 
 
 
 
 
 
(6.2)
       $
 
 
 
1,442.7
  
                                                                 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
*)
Represents an amount lower than $0.1
 
 
 
 
 
 
 
 
 
 
 
 
Marketable securities with contractual maturities of over one year through five years are as follows:
                                                                 
 
December 31,
 
2019
 
2018
 
Amortized
cost
 
Gross
unrealized
gains
 
Gross
unrealized
losses
 
Fair
value
 
Amortized
cost
 
Gross
unrealized
gains
 
Gross
unrealized
losses
 
Fair
value
                                                                 
Government and corporate
debentures - fixed interest rate
 
 
$
 
1,903.6
    
 
 
$
25.9
    
 
 
$
 
(0.4
 )  
 
 
$
1,929.1
    
 
$
 
 
 
1,819.5
       $
1.1
    
 
$
(21.6
 )   $
 
 
 
 
1,799.0
  
Government-sponsored
enterprises debentures
   
269.8
      
0.6
      
(0.4
 )    
270.0
      
383.2
      
0.3
      
(4.2
 )    
379.3
  
Government and corporate
debentures - floating interest rate
   
169.3
      
0.4
      
*
 )    
169.7
      
109.9
      
*
)
      
(0.9
 )    
109.0
  
                                                                 
                                                                 
 
 
$
 
2,342.7
       $
    
26.9
       $
    
(0.8
 )     $
    
2,368.8
    
 
 
$
2,312.6
       $
         
1.4
       $
(26.7
 )     $
   
2,287.3
  
                                                                 
 
 
 
 
 
 
 
 
 
 
*)
Represents an amount lower than $0.1
 
 
 
 
 
 
 
 
 
Investments with continuous unrealized losses for
less
than 12 months and for 12 months or greater and their related fair values were as follows:
                                                 
 
December 31, 2019
 
Less than 12 months
 
12 months or
 
greater
 
Total
 
Fair
value
 
Unrealized
losses
 
Fair
Value
 
Unrealized
losses
 
Fair
value
 
Unrealized
losses
Government and corporate
debentures - fixed interest rate
   $
 
 
 
 
 
 
227.9
      $
(0.3
 )   $
332.5
     $
 
 
 
(0.4
 )     $
 
 
 
560.4
       $
(0.7
 )
Government-sponsored
enterprises debentures
   
117.3
      
(0.3
 )    
123.6
      
(0.2
 )    
240.9
      
(0.5
 )
Government and corporate
debentures - floating interest rate
   
19.9
      
*
 )    
10.5
      
*
 )    
30.4
      
*
 )
                                                 
   $
365.1
    
 
 
$
     
(0.6
 )   $
466.6
     $
(0.6
 )     $
831.7
       $
(1.2
 )
                                                 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                                                 
 
December 31, 2018
 
Less than 12 months
 
12 months or greater
 
Total
 
Fair
value
 
Unrealized
losses
 
Fair
Value
 
Unrealized
losses
 
Fair
value
 
Unrealized
losses
Government and corporate
debentures - fixed interest rate
  $
 
807.3
    
 
 
$
(4.4
 )  
 
 
$
1,852.6
    
 
 
$
(22.3
 )  
 
 $
 
 
2,659.9
    
 
 
$
(26.7
 )
Government-sponsored
enterprises debentures
   
40.2
    
    
 
(0.1
 )    
429.1
      
(5.2
 )    
469.3
      
(5.3
 )
Government and corporate
debentures - floating interest rate
   
115.5
      
(0.9
 )    
5.4
      
*
 )    
120.9
      
(0.9
 )
                                                 
   $
963.0
    
 
 
$
(5.4
 )  
 
 
$
2,287.1
    
 
 
$
(27.5
 )  
 
 
$
3,250.1
    
 
 
$
(32.9
 )
                                                 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
*)
Represents an amount lower than $0.1
 
 
 
 
 
 
 
 
 
As of December 31, 2019 and 2018, interest receivable
amounted
to $24.4
and $22.9
, respectively, and is included within prepaid expenses and other assets in the balance sheets.