Fair Value Measurements (Tables)

9 Months Ended

May 31, 2018

Fair Value Disclosures [Abstract]

Schedule Of Financial Assets And Liabilities Measured At Fair Value

	May 31, 2018
($ in thousands)	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	111,779	$	—		$	—	$	111,779
Derivative assets		—		2,241			—		2,241
Derivative liabilities		—		(60	)		—		(60	)
	May 31, 2017
($ in thousands)	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	113,212	$	—		$	—	$	113,212
Derivative assets		—		71			—	$	71
Derivative liabilities		—		(2,112	)		—	$	(2,112	)
	August 31, 2017
($ in thousands)	Level 1		Level 2			Level 3		Total
Cash and cash equivalents	$	121,620	$	—		$	—	$	121,620
Derivative assets		—		9			—		9
Derivative liabilities		—		(1,747	)		—		(1,747	)