Stockholders' Equity - Schedule of Activity Related to Performance Based Options and Performance Based Restricted Stock Units (Detail)	12 Months Ended
	Oct. 31, 2013
Performance Options [Member]
Performance Restricted Stock Units [Line Items]
Non-vested, October 31, 2012	856,000
Vested
Canceled	(168,000)
Non-vested, October 31, 2013	688,000
Performance Restricted Stock Units [Member]
Performance Restricted Stock Units [Line Items]
Non-vested, October 31, 2012	7,929,375
Granted	6,450,000
Vested
Canceled	(2,703,593)
Non-vested, October 31, 2013	11,675,782