Fair Value Measurements (Schedule of Financial Assets and Liabilities Measured at Fair Value) (Details) - USD ($) $ in Thousands	May 31, 2024	Aug. 31, 2023	May 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 140,221	$ 160,755	$ 131,577
Marketable securities:
Derivative assets	1,380	1,672	2,817
Derivative liabilities	(460)	(457)
Corporate Bonds [Member]
Marketable securities:
Marketable securities	10,086	4,095	11,360
U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities	2,411	1,461	1,446
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	140,221	160,755	131,577
Marketable securities:
Derivative assets	0	0	0
Derivative liabilities	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	1,380	1,672	2,817
Derivative liabilities	(460)	(457)
Level 2 [Member] | Corporate Bonds [Member]
Marketable securities:
Marketable securities	10,086	4,095	11,360
Level 2 [Member] | U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities	2,411	1,461	1,446
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 liabilities	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