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v3.19.3

Employee and Retiree Benefits (Postretirement Narrative) (Details) | 12 Months Ended
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Aug. 31, 2019
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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