Other Balance Sheet Details (Details) (USD $)	6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Oct. 31, 2012
Other long-term assets
Maintenance spares inventory, net	$ 64,619,000		$ 57,548,000
Deferred debt issuance costs, net	18,011,000		20,575,000
Embedded redemption feature	220,000		420,000
Restricted cash	2,431,000		2,413,000
Other	4,876,000		3,780,000
Total	90,157,000		84,736,000
Other Balance Sheet Details (Textuals) [Abstract]
Amortization of debt issuance costs included in interest expense	$ 3,000,000	$ 2,700,000