Amount of allowance for credit loss on accounts receivable, classified as current.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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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.

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Condensed Consolidated Balance Sheets (Parenthetical) $ in Thousands	Oct. 31, 2021 USD ($) shares	Oct. 31, 2021 € / shares	Apr. 30, 2021 USD ($) shares	Apr. 30, 2021 € / shares
Statement of Financial Position [Abstract]
Allowance for credit losses \| $	$ 2,896		$ 2,344
Ordinary shares, par value (€ / share) \| € / shares		€ 0.01		€ 0.01
Ordinary shares, shares authorized (in shares)	165,000,000		165,000,000
Ordinary shares, shares issued (in shares)			90,533,985
Ordinary shares, shares outstanding (in shares)			90,533,985
Convertible Preference Shares
Convertible preference shares, par value (€ / share) \| € / shares		€ 0.01		€ 0.01
Convertible preference shares authorized (in shares)	165,000,000		165,000,000
Convertible preference shares issued (in shares)	0		0
Convertible preference shares outstanding (in shares)	0		0