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Accounting Standards Adopted in Current Year - Additional Information (Detail) - ASU 2018-15 | Sep. 26, 2020
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New Accounting Pronouncements Or Change In Accounting Principle [Line Items] |
Change in accounting principle, accounting standards update, adopted | true
Change in accounting principle, accounting standards update, adoption date | Dec. 29, 2019
Change in accounting principle, accounting standards update, immaterial effect | true

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