Fair Value Measurements (Schedule of Financial Assets and Liabilities Measured at Fair Value) (Details) - USD ($) $ in Thousands	Nov. 30, 2023	Aug. 31, 2023	Nov. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 159,381	$ 160,755	$ 99,168
Marketable securities:
Derivative assets	1,001	1,672	3,455
Derivative liability	(588)	(457)	0
Corporate Bonds [Member]
Marketable securities:
Marketable securities	11,271	4,095	9,646
U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities	5,007	1,461	1,778
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	159,381	160,755	99,168
Marketable securities:
Derivative assets	0	0
Derivative liability	0	0	0
Level 1 [Member] | Corporate Bonds [Member]
Marketable securities:
Marketable securities	0	0	0
Level 1 [Member] | U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities	0	0	0
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0	0
Marketable securities:
Derivative assets	1,001	1,672	3,455
Derivative liability	588	(457)	0
Level 2 [Member] | Corporate Bonds [Member]
Marketable securities:
Marketable securities	11,271	4,095	9,646
Level 2 [Member] | U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities	5,007	1,461	1,778
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0	0	0
Marketable securities:
Derivative assets	0	0	0
Derivative liability	0	0	0
Level 3 [Member] | Corporate Bonds [Member]
Marketable securities:
Marketable securities	0	0	0
Level 3 [Member] | U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities	$ 0	$ 0	$ 0