Stock-Based Compensation Summary of Restricted Stock Transactions (Details) - Restricted Stock shares in Thousands	6 Months Ended
	Jan. 31, 2022 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award
Non-vested restricted stock outstanding, beginning balance | shares	370
Granted, number of shares | shares	107
Vested, number of shares | shares	(56)
Forfeitures, number of shares | shares	(14)
Non-vested restricted stock outstanding, ending balance | shares	407
Non-vested restricted stock outstanding, weighted average grant date fair value, beginning balance | $ / shares	$ 33.96
Granted, weighted average grant date fair value | $ / shares	34.56
Vested, weighted average grant date fair value | $ / shares	35.20
Forfeitures, weighted average grant date fair value | $ / shares	35.20
Non-vested restricted stock outstanding, weighted average grant date fair value, ending balance | $ / shares	$ 33.90