Stock-Based Compensation Plans, Stock Appreciation Rights Plan (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 31, 2019	Aug. 31, 2018
Stock Appreciation Rights Plan [Abstract]
Accounts payable and accrued liabilities	$ 50,790	$ 47,898
Stock Appreciation Rights Plan [Member]
Stock Appreciation Rights Plan [Abstract]
Expiry period	P10Y
Vesting period	P4Y
Accounts payable and accrued liabilities	$ 77	$ 93

No definition available.

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- Definition

The description of the maximum term of options granted for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]]

+ References

+ Details

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- Definition

The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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