Preferred stock redemption premium percentage.

No definition available.

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- Definition

Preferred stock, redemption price percentage.

+ References

No definition available.

+ Details

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

Describe the conversion features of preferred stock if preferred stock is convertible. That is, shares of preferred stock into which another convertible security was converted, or shares of preferred stock into which another class of preferred stock was converted.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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- Definition

Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

+ References

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- Definition

Description of voting rights of nonredeemable preferred stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Topic 505
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-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
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-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

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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.

+ Details

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Redeemable Non-Controlling Interestes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2019	Mar. 31, 2019	May 31, 2018	May 17, 2018	Apr. 24, 2018
Redeemable Noncontrolling Interest [Line Items]
Redeemable non-controlling interests			$ 206,624
Preferred Stock, Conversion terms	initial conversion ratio of 1:1
Koolearn Holding [Member]
Redeemable Noncontrolling Interest [Line Items]
Equity method investment, ownership percentage			68.00%
Redeemable non-controlling interests		$ 206,624
Series B Preferred Stock [Member]
Redeemable Noncontrolling Interest [Line Items]
Preferred Stock, Redemption Premium Percentage	10.00%
Preferred Stock, Redemption Price Percentage	100.00%
Series A Preferred Stock [Member]
Redeemable Noncontrolling Interest [Line Items]
Shares issued,consideration				$ 113,925
Preferred Stock, Voting Rights	Preferred shareholders have the right to one vote for each ordinary share
Preferred Stock, Redemption Price Percentage	120.00%
Convertible Redeemable Participating Preferred Stock [Member] \| Series B Preferred Stock [Member] \| Koolearn Holding [Member]
Redeemable Noncontrolling Interest [Line Items]
Shares issued,shares					64,396,251
Shares issued,consideration					$ 92,699
Convertible Redeemable Participating Preferred Stock [Member] \| Series A Preferred Stock [Member] \| Koolearn Holding [Member]
Redeemable Noncontrolling Interest [Line Items]
Shares issued,shares				90,416,181