Other Balance Sheet Details (Details) (USD $)	3 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Oct. 31, 2014
Other long-term assets
Maintenance spares inventory, net	$ 65,201,000		$ 54,101,000
Deferred debt issuance costs, net	14,012,000		15,160,000
Other	5,561,000		4,815,000
Total	84,774,000		74,076,000
Other Balance Sheet Details (Textuals) [Abstract]
Amortization of debt issuance costs included in interest expense	$ 1,300,000	$ 1,200,000