Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jan. 31, 2023	Apr. 30, 2022
Statement of Financial Position [Abstract]
Trade accounts and notes receivable, allowances (in dollars)	$ 10,653	$ 9,346
Property and equipment, accumulated depreciation (in dollars)	$ 257,697	$ 227,288
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	41,347,000	42,773,000
Common stock, shares outstanding (in shares)	41,347,000	42,773,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0