Percentage of equity interest sold

No definition available.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

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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.

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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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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- Definition

The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or the sale of investment in consolidated subsidiaries (generally greater than 50 percent).

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Disposal of Subsidiaries - Additional Information (Detail) - USD ($) $ in Thousands		12 Months Ended
	May 31, 2019	May 31, 2019	May 31, 2018	May 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity ownership interest	20.00%	20.00%
Gain (loss) from equity method investments		$ (2,289)	$ (379)	$ (3,289)
Dongfang Heli [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of equity Interests sold	60.00%
Cash consideration	$ 15,289	$ 15,289
Equity ownership interest	40.00%	40.00%
Cash received from the disposal of subsidiaries		$ 1,529
Gain (loss) from equity method investments		(133)
Dongfang Heli [Member] \| Land Use Rights [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Land Use Right Disposable	$ 9,694	9,694
Two Subsidiaries Disposed Off [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration	$ 732	732
Gain (loss) from equity method investments		$ 3,575