Other Balance Sheet Details (Details) (USD $)	9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Oct. 31, 2012
Other long-term assets
Maintenance spares inventory, net	$ 64,195,000		$ 57,548,000
Deferred debt issuance costs, net	16,845,000		20,575,000
Embedded redemption feature	2,510,000		420,000
Restricted cash	2,415,000		2,413,000
Other	4,198,000		3,780,000
Total	90,163,000		84,736,000
Other Balance Sheet Details (Textuals) [Abstract]
Amortization of debt issuance costs included in interest expense	$ 4,200,000	$ 4,000,000