Investments (Tables)

12 Months Ended

Jan. 27, 2019

Investments [Abstract]

Summary of available-for-sale securities

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

	January 27, 2019						January 28, 2018
(in thousands)	Market Value		Adjusted Cost		Gross Unrealized Gain		Market Value		Adjusted Cost		Gross Unrealized Gain
Convertible debt	$	3,105	$	3,105	$	—	$	1,960	$	1,960	$	—
Total other assets	$	3,105	$	3,105	$	—	$	1,960	$	1,960	$	—

Schedule of available-for-sale securities, classified by maturity period

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

	January 27, 2019
(in thousands)	Market Value		Adjusted Cost
Within 1 year	$	3,105	$	3,105
After 1 year through 5 years	—		—
Total investments	$	3,105	$	3,105