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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended
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Jul. 30, 2017 | Jul. 31, 2016
Statement of Comprehensive Income [Abstract] |  |
Net income | $ 4,984 | $ 5,313
Other comprehensive income |  |
Unrealized holding gains on investments | 44 | 84
Reclassification adjustment for realized loss included in net income |  | 12
Total other comprehensive income | 44 | 96
Comprehensive income | $ 5,028 | $ 5,409

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e557-108580 + Details
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