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3 - Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Apr. 27, 2013 | Apr. 28, 2012 | Apr. 27, 2013 | Apr. 28, 2012
Class A Common Stock |  |  |  |
Net Income (Loss) Available to Common Stockholders, Basic | $ 3,245 | $ 4,016 | $ 13,698 | $ 13,757
Two Class Income Allocation Class B Conversion to Class A | 1,262 | 2,356 | 5,394 | 8,091
Two Class Income Distribution Share Based Compensation | 5 | 16 |  | 67
Net Income (Loss) Available to Common Stockholders, Diluted | 4,512 | 6,388 | 19,092 | 21,915
Weighted Average Number of Shares Outstanding, Basic | 8,492 | 7,044 | 8,146 | 7,030
Two Class Share Allocation Class B Conversion to Class A | 5,007 | 6,362 | 5,336 | 6,366
Incremental Common Shares Attributable to Share-based Payment Arrangements | 96 | 95 | 110 | 81
Weighted Average Number of Shares Outstanding, Diluted | 13,595 | 13,501 | 13,592 | 13,477
Class B Common Stock |  |  |  |
Net Income (Loss) Available to Common Stockholders, Basic | 1,262 | 2,356 | 5,394 | 8,091
Two Class Income Distribution Share Based Compensation | (3) | (11) |  | (39)
Net Income (Loss) Available to Common Stockholders, Diluted | $ 1,259 | $ 2,345 | $ 5,394 | $ 8,052
Weighted Average Number of Shares Outstanding, Basic | 5,007 | 6,362 | 5,336 | 6,366
Weighted Average Number of Shares Outstanding, Diluted | 5,007 | 6,362 | 5,336 | 6,366

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