Fair Value Measurements (Tables)

9 Months Ended

May. 31, 2015

Fair Value Measurements [Abstract]

Schedule Of Financial Assets And Liabilities Measured At Fair Value

	May 31, 2015
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	154,018	$	-	$	-	$	154,018
Derivative assets		-		118		-		118
Derivative liabilities		-		(216)		-		(216)
	May 31, 2014
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	182,051	$	-	$	-	$	182,051
Derivative assets		-		463		-		463
Derivative liabilities		-		(251)		-		(251)
	August 31, 2014
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	171,842	$	-	$	-	$	171,842
Derivative assets		-		900		-		900
Derivative liabilities		-		(400)		-		(400)