EXHIBIT 12.1

Statement of Computation of Ratio of Earnings to Fixed Charges

	Year Ended October 31,
	2008		2009			2010
Pre-tax income (loss) from continuing operations	$	41,539	$	(582,478	)	$	(331,573	)
Fixed charges:
Interest expense		12,927		7,406			18,619
Portion of rental expense representative of interest factor		4,104		4,111			7,324
Total fixed charges		17,031		11,517			25,943
Pre-tax income (loss) from continuing operations plus fixed charges	$	58,570	$	(570,961	)	$	(305,630	)
Ratio of earnings (loss) to fixed charges		3.44		—	(1)		—	(1)

(1) Pre-tax losses from continuing operations plus fixed charges were inadequate to cover total fixed charges.