Goodwill impairment, result of annual impairment analysis

No definition available.

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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.

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- Definition

Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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+ Details

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Other Assets - Narrative (Details) - USD ($)		3 Months Ended	12 Months Ended
Other Assets - Narrative (Details) - USD ($)	Jul. 31, 2018	May 31, 2017	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Goodwill [Line Items]
Goodwill			$ 138,464,000	$ 138,454,000	$ 144,284,000
Goodwill impairment, result of annual impairment analysis	$ 0
Goodwill impairment charge	$ 0	$ 5,500,000		5,542,000
Disposal group impairment charges				78,800,000
Amortization of intangible assets			3,400,000	$ 4,300,000	$ 6,100,000
Nitrogen Production
Goodwill [Line Items]
Goodwill			$ 0
Minimum \| Other Intangible Assets
Goodwill [Line Items]
Intangible asset useful lives			2 years
Maximum \| Other Intangible Assets
Goodwill [Line Items]
Intangible asset useful lives			30 years