Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Apr. 30, 2025	Apr. 30, 2024
Statement of Financial Position [Abstract]
Trade accounts and notes receivable, allowances	$ 12,947	$ 16,930
Less: accumulated depreciation	$ 369,343	$ 309,850
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000	500,000
Common stock, shares issued (in shares)	38,164	39,754
Common stock, shares outstanding (in shares)	38,164	39,754
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	50,000	50,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0