Basis of Presentation and Significant Accounting Policies (Tables)

9 Months Ended

Aug. 31, 2011

Basis of Presentation and Significant Accounting Policies [Abstract]

Basic and diluted loss per share

	Nine Months Ended August 31,						Three Months Ended August 31,
	2011			2010			2011			2010
Numerator:
Net loss	$	(192,679	)	$	(86,810	)	$	(9,649	)	$	(1,397	)
Denominator:
Basic and diluted average shares outstanding		77,004			76,866			77,047			76,909
Basic and diluted loss per share	$	(2.50	)	$	(1.13	)	$	(.13	)	$	(.02	)