Fair Value Measurements (Tables)

12 Months Ended

Aug. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities Measured at Fair Value

	August 31, 2019
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	127,204	$	—	$	—	$	127,204
Derivative assets		—		1,112		—		1,112
Derivative liabilities		—		—		—		—

	August 31, 2018
($ in thousands)	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	160,787	$	—		$	—	$	160,787
Derivative assets		—		898			—		898
Derivative liabilities		—		(12	)		—		(12	)