Fair Value Measurements (Schedule of Financial Assets and Liabilities Measured at Fair Value) (Details) - USD ($) $ in Thousands	Feb. 29, 2024	Aug. 31, 2023	Feb. 28, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 133,415	$ 160,755	$ 97,675
Marketable securities:
Derivative assets	1,840	1,672	3,520
Derivative liability	(391)	(457)
Corporate Bonds [Member]
Marketable securities:
Marketable securities	10,084	4,095	6,976
U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities	7,135	1,461	1,787
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	133,415	160,755	97,675
Marketable securities:
Derivative assets	0	0	0
Derivative liability	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	1,840	1,672	3,520
Derivative liability	(391)	(457)
Level 2 [Member] | Corporate Bonds [Member]
Marketable securities:
Marketable securities	10,084	4,095	6,976
Level 2 [Member] | U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities	7,135	1,461	1,787
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
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