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Summary of Accounting Policies - Additional Information (Detail) $ in Millions | Dec. 30, 2018 USD ($)
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Accounting Policies [Abstract] |
Impact of the Tax Act on Accumulated Other Comprehensive Income (ASU No. 2018-02) | $ 45.9

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- Definition Tax Cuts And Jobs Act Of 2017, Reclassification From AOCI To Retained Earnings, Tax Effect + References No definition available. + Details
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