Income Taxes Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Income Tax Expense (Benefit), Continuing Operations, by Jurisdiction [Abstract]
Federal Income Tax Expense (Benefit), Continuing Operations	$ (329,277)	$ (21,517)	$ (67,318)
State and Local Income Tax Expense (Benefit), Continuing Operations	(44,927)	(47,644)	(46,495)
Current Income Tax Expense (Benefit)	(21,296)	(43,212)	(156,985)
Deferred Income Tax Expense (Benefit)	(352,908)	(25,949)	43,172
Income Tax Expense (Benefit)	$ (374,204)	$ (69,161)	$ (113,813)