XML 49 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
Marketable Securities - Available-for-sale by Maturity Date (Details)
$ in Thousands
Jul. 29, 2017
USD ($)
Schedule of Available-for-sale Securities  
Less than 12 months $ 10,214
Greater than 12 months 14,806
Total 25,020
Certificates of deposit  
Schedule of Available-for-sale Securities  
Less than 12 months 6,810
Greater than 12 months 4,218
Total 11,028
U.S. Government sponsored entities  
Schedule of Available-for-sale Securities  
Less than 12 months 998
Greater than 12 months 6,645
Total 7,643
Municipal obligations  
Schedule of Available-for-sale Securities  
Less than 12 months 2,406
Greater than 12 months 3,943
Total $ 6,349