Fair Value Measurements (Tables)

3 Months Ended

Nov. 30, 2016

Fair Value Measurements [Abstract]

Schedule Of Financial Assets And Liabilities Measured At Fair Value

	November 30, 2016
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	103,058	$	—	$	—	$	103,058
Derivative assets		—		1,669		—		1,669
Derivative liabilities		—		(252)		—		(252)
	November 30, 2015
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	129,260	$	—	$	—	$	129,260
Derivative assets		—		2,155		—		2,155
Derivative liabilities		—		(342)		—		(342)
	August 31, 2016
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	101,246	$	—	$	—	$	101,246
Derivative assets		—		73		—		73
Derivative liabilities		—		(595)		—		(595)