Description Of Business And Significant Accounting Policies (Tables)

12 Months Ended

Aug. 31, 2012

Description Of Business And Significant Accounting Policies [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

	For the years ended August 31,
	2012	2011	2010
Restricted stock units	3,241	2,062	476
Stock options	29,181	-	-

Schedule Of Financial Assets And Liabilities Measured At Fair Value

		August 31, 2012
$ in thousands		Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	143,444	$	-	$	-	$	143,444
Derivative Assets	$	-	$	12	$	-	$	12
Derivative Liabilities	$	-	$	(563)	$	-	$	(563)
		August 31, 2011
$ in thousands		Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	108,167	$	-	$	-	$	108,167
Derivative Liabilities	$	-	$	(634)	$	-	$	(634)