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Pension and Savings Plans - Benefit Payments are Expected to be Paid as Follows (Detail) $ in Thousands | Aug. 26, 2017 USD ($)
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Retirement Benefits [Abstract] |
2018 | $ 13,608
2019 | 13,139
2020 | 13,817
2021 | 14,538
2022 | 14,917
2023 - 2027 | $ 79,742

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