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Stock Plans (Tables)
 12 Months Ended
Aug. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Summary Of Restricted Stock and Performance Shares Activity
A summary of restricted stock units and performance shares activity during fiscal 2022 is as follows:
Number of
Shares		Weighted-Average Fair  Value at Grant Date (Per Share)
Outstanding on August 31, 20211,017,658 $23.27
Granted896,217 19.39
Forfeited(263,234)22.09
Vested(552,615)22.34
Outstanding on August 31, 20221,098,026 $20.73
Summary Stock option Activity
A summary of stock option activity during fiscal 2022 is as follows:
SharesWeighted-Average
Exercise Price
(Per Share)		Weighted-Average
Remaining Contractual
Term		Aggregate
Intrinsic Value
Outstanding on September 1, 2021989,468 $26.69 
Granted— — 
Exercised— — 
Forfeited— — 
Expired(41,661)22.90 
Outstanding on August 31, 2022947,807 $26.85 2.3$— 
Exercisable on August 31, 2022947,807 $26.85 2.3$— 
Summary of Weighted Average Grant-Date Fair Value Of options, Total Intrinsic Value of Options Exercised, and Cash Receipts from Options Exercised A summary of the total intrinsic value of options exercised and cash receipts from options exercised is summarized below (in thousands, except per share amounts):
 Year Ended August 31,
 202220212020
Intrinsic value of options exercised$— $587 $803 
Cash receipts from exercise of options— 2,208 2,631 
Weighted Average Assumptions As of August 31, 2022, there was $10.6 million of total unrecognized compensation cost related to share-based awards, including stock options, restricted stock, restricted stock units and performance shares, which will be recognized over a weighted average period of 1.9 years. The total fair value of share-based awards that vested during the fiscal years ended August 31, 2022 and 2021 was $11.8 million and $9.7 million, respectively.