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Note 6 - Net Income Per Share (Details) - Summary of Earnings Per Share Diluted Two Class Method (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
May 31, 2014 | May 25, 2013 | May 31, 2014 | May 25, 2013
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |  |  |
As reported - Basic | $ 30,944 | $ 28,722 | $ 91,053 | $ 86,124
Add: Undistributed earnings allocated to unvested participating shares | 317 | 426 | 1,095 | 1,415
Less: Undistributed earnings reallocated to unvested participating shares | (300) | (404) | (1,036) | (1,341)
Diluted EPS – Common Stock | 30,637 | 28,307 | 89,992 | 84,747
Diluted EPS – Common Stock (in Shares) | 19,977 | 19,820 | 19,921 | 19,751
Diluted EPS – Common Stock (in Dollars per share) | $ 1.53 | $ 1.43 | $ 4.52 | $ 4.29
Common Class A [Member] |  |  |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |  |  |
As reported - Basic | 24,493 | 22,638 | 71,971 | 67,793
As reported - Basic (in Shares) | 15,102 | 14,993 | 15,069 | 14,960
As reported - Basic (in Dollars per share) | $ 1.62 | $ 1.51 | $ 4.78 | $ 4.53
Effect of dilutive potential common shares (in Shares) | 153 | 152 | 151 | 135
Diluted EPS – Common Stock | 30,637 | 28,307 | 89,992 | 84,747
Diluted EPS – Common Stock (in Shares) | 19,977 | 19,820 | 19,921 | 19,751
Diluted EPS – Common Stock (in Dollars per share) | $ 1.53 | $ 1.43 | $ 4.52 | $ 4.29
Common Class B [Member] |  |  |  |
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] |  |  |  |
As reported - Basic | 6,127 | 5,647 | 17,962 | 16,880
As reported - Basic (in Shares) | 4,722 | 4,675 | 4,701 | 4,656
As reported - Basic (in Dollars per share) | $ 1.30 | $ 1.21 | $ 3.82 | $ 3.63
Effect of dilutive potential common shares | $ 6,127 | $ 5,647 | $ 17,962 | $ 16,880
Effect of dilutive potential common shares (in Shares) | 4,722 | 4,675 | 4,701 | 4,656

X
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- Definition Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise stock options, restrictive stock units (RSUs), convertible preferred stock of an employee stock ownership plan (ESOP), and other dilutive convertible securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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