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Receivables (Narrative) (Details) - Credit Concentration Risk [Member] - Trade Receivables [Member]	9 Months Ended	12 Months Ended
	May 31, 2021	Aug. 31, 2020
Concentration risk, customer	No	No
Minimum [Member]
Concentration risk, percentage	10.00%	10.00%

X

- Definition

Description of risks that arise due to the volume of business transacted with a particular customer. At a minimum, the description informs financial statement users of the general nature of the risk, but excludes "Information about Major Customers" that may be disclosed elsewhere (for instance, segment disclosures).

+ References

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-Section 50
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X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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