Purchases Of Common Stock For Treasury (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Nov. 30, 2023	Feb. 14, 2023
Equity [Line Items]
Shares withheld for taxes on stock-based compensation awards, Shares	252
Shares withheld for taxes on stock-based compensation awards, Value	$ 10,333
Stock repurchased during period, shares	157
Stock repurchased during period, value	$ 5,975
Purchase of treasury shares, shares	409
Purchase of treasury shares, cost	$ 16,308
Remaining approved purchase amount	$ 9,800
Maximum [Member]
Equity [Line Items]
Amount authorized under common stock repurchase plan		$ 50,000