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Marketable Securities - Available-for-sale by Maturity Date (Details) $ in Thousands	Jan. 27, 2018 USD ($)
Schedule of Available-for-sale Securities
Less than 12 months	$ 8,804
Greater than 12 months	15,133
Total	23,937
Certificates of deposit
Schedule of Available-for-sale Securities
Less than 12 months	5,207
Greater than 12 months	3,711
Total	8,918
U.S. Government sponsored entities
Schedule of Available-for-sale Securities
Less than 12 months	999
Greater than 12 months	8,032
Total	9,031
Municipal bonds
Schedule of Available-for-sale Securities
Less than 12 months	2,598
Greater than 12 months	3,390
Total	$ 5,988

X

- Definition

Fair value of available-for-sale debt securities maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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+ References

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