Fair Value Measurements (Tables)

3 Months Ended

Nov. 30, 2013

Fair Value Measurements [Abstract]

Schedule Of Financial Assets And Liabilities Measured At Fair Value

	November 30, 2013
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	151,803	$	-	$	-	$	151,803
Derivative assets		-		150		-		150
Derivative liabilities		-		(288)		-		(288)
	November 30, 2012
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	152,173	$	-	$	-	$	152,173
Derivative assets		-		128		-		128
Derivative liabilities		-		(404)		-		(404)
	August 31, 2013
($ in thousands)	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	151,927	$	-	$	-	$	151,927
Derivative assets		-		229		-		229
Derivative liabilities		-		(291)		-		(291)