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v3.20.4

Recently Adopted Accounting Standards - Additional Information (Detail) |  | 9 Months Ended
--- | --- | ---
Apr. 25, 2020 | Jan. 24, 2020
New Accounting Pronouncements And Changes In Accounting Principles [Abstract] |  |
Change in accounting principle, accounting standards update, adopted [true false] | true |
Change in accounting principle, accounting standards update, adoption date | Apr. 25, 2020 |
Change in accounting principle, accounting standards update, immaterial effect [true false] | true |
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