CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Apr. 27, 2019	Apr. 28, 2018
Statement of Financial Position [Abstract]
Receivables, allowance for doubtful accounts	$ 6,772	$ 9,537
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, authorized shares (in shares)	600,000,000	600,000,000
Common stock, issued shares (in shares)	95,272,000	94,756,000
Common stock, outstanding shares (in shares)	95,272,000	94,756,000

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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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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