Stock-Based Compensation (Stock Options) (Details)	3 Months Ended
	Oct. 31, 2022 USD ($) $ / shares shares
Weighted Average Remaining Contractual Term (Years)
Outstanding, Ending Balance	2 years 8 months 12 days
Aggregated Intrinsic Value
Outstanding, Ending Balance | $	$ 0
Stock options
Awards (In Shares)
Outstanding, Beginning Balance (in shares) | shares	483,480
Expired/canceled (in shares) | shares	(9,460)
Outstanding, Ending Balance (in shares) | shares	474,020
Exercisable, Ending Balance (in shares) | shares	428,900
Vested and Expected to Vest, Ending Balance (in shares) | shares	471,742
Weighted Average Exercise Price (Per Share)
Outstanding, Beginning Balance (in dollars per share)	$ 24.43
Expired/canceled (in dollars per share)	26.55
Outstanding, Ending Balance (in dollars per share)	24.38
Exercisable, Ending Balance (in dollars per share)	25.07
Vested and Expected to Vest, Ending Balance (in dollars per share)	$ 24.42
Weighted Average Remaining Contractual Term (Years)
Exercisable, Ending Balance	2 years 2 months 8 days
Vested And Expected To Vest, Ending Balance	2 years 8 months 1 day
Aggregated Intrinsic Value
Exercisable, Ending Balance | $	$ 0
Vested and Expected to Vest, Ending Balance | $	$ 0
Additional Disclosures
Exercise price, lower range limit (in dollars per share)	$ 17.88
Exercise price, upper range limit (in dollars per share)	$ 33.94
Stock options | Maximum
Additional Disclosures
Contractual term (in years)	10 years
Stock options | Tranche Two
Additional Disclosures
Vesting period	5 years