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Employee and Retiree Benefits (Narrative) (Details) | 6 Months Ended
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Feb. 24, 2018
Retirement Benefits [Abstract] |
Postretirement health care benefits age requirement before distribution occurs | 55 years
Postretirement health care benefits continuous service requirement | 15 years

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- References No definition available. + Details
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- Definition Defined Benefit Plan, Age Requirement Before Distribution Occurs + References No definition available. + Details
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- Definition Defined Benefit Plan, Service Requirement + References No definition available. + Details
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