Investments (Tables)

9 Months Ended

Oct. 27, 2019

Investments [Abstract]

Summary Of Investments

The following table summarizes the values of the Company’s available-for-sale securities:

	October 27, 2019						January 27, 2019
(in thousands)	Market Value		Adjusted Cost		Gross Unrealized Gain		Market Value		Adjusted Cost		Gross Unrealized Gain
Convertible debt	$	7,847	$	7,652	$	195	$	3,105	$	3,105	$	—
Total available-for-sale securities	$	7,847	$	7,652	$	195	$	3,105	$	3,105	$	—

Schedule Of Investments, Classified By Maturity Period

The following table summarizes the maturities of the Company’s available-for-sale securities:

	October 27, 2019				January 27, 2019
(in thousands)	Market Value		Adjusted Cost		Market Value		Adjusted Cost
Within 1 year	$	2,027	$	1,993	$	3,105	$	3,105
After 1 year through 5 years	5,820		5,659		—		—
Total available-for-sale securities	$	7,847	$	7,652	$	3,105	$	3,105