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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Apr. 30, 2021
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 77,518	$ 70,689
Accumulated depreciation and amortization	$ 842,861	$ 832,885
Common stock, stated value per share (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	800,000,000	800,000,000
Common stock, shares issued (in shares)	216,655,616	216,655,616
Treasury stock, shares (in shares)	34,842,125	35,189,707

X

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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

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