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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Income Per Share, Additional Information (Details) shares in Thousands | 12 Months Ended
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Jul. 27, 2019 class_common_stock shares | Jul. 28, 2018 shares
Accounting Policies [Abstract] |  |
Number of common stock classes | class_common_stock | 2 |
Common stock cash dividends, percent Class A is entitled greater than Class B | 54.00% |
Class A Common Stock |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Class A shares excluded from computation of earnings per share (in shares) | 241 | 9
Restricted Stock Units (RSUs) |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Class A shares excluded from computation of earnings per share (in shares) | 323 | 356

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Dividends, Common Stock, Cash, Percent Class A is Entitled Greater than Class B + References No definition available. + Details
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- Definition Number of Classes of Common Stock + References No definition available. + Details
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