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GOODWILL AND OTHER INTANGIBLES (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019	Aug. 31, 2019	Nov. 05, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Gross carrying amounts of the intangible assets subject to amortization	$ 20,700		$ 20,700		$ 20,800
Net carrying amount of intangible assets subject to amortization	11,700		11,700		13,300
Amortization expense for intangible assets	500	$ 600	1,600	$ 1,700
Acquired unfavorable contract backlog	16,726		16,726		$ 35,360	$ 110,200
Amortization of unfavorable contract backlog	$ 4,400	$ 23,400	$ 18,700	$ 58,200

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- Definition

Amortization of Unfavorable Contract Backlog

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Business Combination, Acquired Unfavorable Contract Backlog

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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