Other Balance Sheet Details (Details) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Other long-term assets
Maintenance spares inventory, net	$ 57,548,000	$ 50,442,000
Deferred debt issuance costs, net	20,575,000	23,481,000
Embedded redemption feature	420,000	7,020,000
Restricted cash	2,413,000	27,507,000
Other	3,780,000	5,673,000
Total	84,736,000	114,123,000
Other Balance Sheet Details (Textuals) [Abstract]
Amortization of debt issuance costs included in interest expense	$ 5,300,000	$ 5,300,000	$ 3,800,000