Consolidated Balance Sheets (Parenthetical) - $ / shares	Jul. 31, 2022	Jul. 31, 2021
Statement of Financial Position [Abstract]
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in usd per share)	$ 0.10	$ 0.10
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	66,059,403	65,651,570
Treasury shares (in shares)	12,382,441	10,285,329