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Available-for-sale securities (Tables)
 3 Months Ended
Apr. 26, 2020
Investments [Abstract]  
Summary Of Investments
The following table summarizes the values of the Company’s available-for-sale securities:
 
April 26, 2020
 
January 26, 2020
(in thousands)
Fair Value
 
Amortized
Cost
 
Gross
Unrealized Gain/(Loss)
 
Fair Value
 
Amortized
Cost
 
Gross
Unrealized Gain/(Loss)
Convertible debt
$
9,481

 
$
9,519

 
$
(38
)
 
$
10,700

 
$
8,715

 
$
1,985

Total available-for-sale securities
$
9,481

 
$
9,519

 
$
(38
)
 
$
10,700

 
$
8,715

 
$
1,985
Schedule Of Investments, Classified By Maturity Period
The following table summarizes the maturities of the Company’s available-for-sale securities:
 
April 26, 2020
 
January 26, 2020
(in thousands)
Fair Value
 
Amortized Cost
 
Fair Value
 
Amortized Cost
Within 1 year
$
9,016

 
$
8,760

 
$
10,200

 
$
8,215

After 1 year through 5 years
465

 
759

 
500

 
500

Total available-for-sale securities
$
9,481

 
$
9,519

 
$
10,700

 
$
8,715