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Commitments And Contingencies (Summary Of Undiscounted Environmental Remediation Liability Classifications) (Details) - USD ($) $ in Thousands	Nov. 30, 2017	Aug. 31, 2017	Nov. 30, 2016
Other current liabilities	$ 1,616	$ 2,095	$ 1,122
Other noncurrent liabilities	15,825	15,937	17,714
Total environmental remediation liabilities	$ 17,441	$ 18,032	$ 18,836

X

- Definition

Undiscounted amount of the accrual for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

+ References

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