OTHER BALANCE SHEET DETAILS (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Oct. 31, 2015
Other long-term assets
Maintenance spares, net	$ 56,217		$ 55,259
Deferred debt issuance costs, net	10,722		10,820
Financing receivable	0		10,107
Other	8,134		8,470
Total other long-term assets	75,073		$ 84,656
Other Balance Sheet Details (Textuals) [Abstract]
Amortization of debt issuance costs included in interest expense	$ 1,100	$ 1,300