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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jan. 31, 2021	Apr. 30, 2020
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts	$ 29,174	$ 23,795
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	74,911,000	73,205,000
Common stock, shares outstanding	53,997,000	54,450,000

X

- Definition

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

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-Topic 210
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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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