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Marketable Securities - Available-for-sale by Maturity Date (Details) $ in Thousands	Jan. 26, 2019 USD ($)
Schedule of Available-for-sale Securities
Less than 12 months	$ 31,253
Greater than 12 months	6,343
Total	37,596
Certificates of deposit
Schedule of Available-for-sale Securities
Less than 12 months	1,985
Greater than 12 months	1,974
Total	3,959
U.S. Government securities
Schedule of Available-for-sale Securities
Less than 12 months	14,488
Greater than 12 months	994
Total	15,482
U.S. Government sponsored entities
Schedule of Available-for-sale Securities
Less than 12 months	11,646
Greater than 12 months	3,218
Total	14,864
Municipal bonds
Schedule of Available-for-sale Securities
Less than 12 months	3,134
Greater than 12 months	157
Total	$ 3,291

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- 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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