Number Of Other Unconsolidated Affiliates

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- Definition

Ownership Interest Percentage

+ References

No definition available.

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- Definition

Line items represent reporting 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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- Definition

The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

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Investments in Unconsolidated Affiliates - Additional Information (Detail) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 31, 2018 USD ($)	May 31, 2018 USD ($)	Feb. 28, 2018 USD ($)	Nov. 30, 2017 USD ($)	Aug. 31, 2017 USD ($)	May 31, 2017 USD ($)	Feb. 28, 2017 USD ($)	Nov. 30, 2016 USD ($)	Aug. 31, 2018 USD ($)	Aug. 31, 2017 USD ($)	Aug. 31, 2016 USD ($)	Aug. 20, 2018	Apr. 30, 2017	Aug. 31, 2015
Investment [Line Items]
Payment for investment									$ 26,455	$ 40,632	$ 12,855
Earnings (loss) from other unconsolidated affiliates	$ (3,075)	$ (12,823)	$ 147	$ (2,910)	$ (6,511)	$ (681)	$ (1,988)	$ (2,584)	$ (18,661)	$ (11,764)	$ 2,096
Number of other unconsolidated affiliates									8
Amsted-Maxion Cruzeiro
Investment [Line Items]
Ownership stake in a railcar manufacturer	40.00%								40.00%
Greenbrier-Maxion
Investment [Line Items]
Equity method investment, percentage of ownership interest	60.00%					60.00%			60.00%				19.50%
Payment for investment									$ 20,000
Amsted-Maxion Cruzeiro
Investment [Line Items]
Equity method investment, percentage of ownership interest	24.50%					24.50%			24.50%				19.50%
Payment for investment									$ 3,250
Other Unconsolidated Affiliates
Investment [Line Items]
Earnings (loss) from other unconsolidated affiliates									$ 1,800
GBW Railcar Services LLC
Investment [Line Items]
Equity method investment, percentage of ownership interest	50.00%								50.00%			50.00%		50.00%