OTHER BALANCE SHEET DETAILS (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Oct. 31, 2016
Other long-term assets
Maintenance spares, net	$ 45,529		$ 49,535
Deferred debt issuance costs, net	1,283		1,363
Financing receivable	2,018		1,870
Other	15,112		15,352
Total other long-term assets	63,942		$ 68,120
Other Balance Sheet Details (Textuals) [Abstract]
Amortization of debt issuance costs included in interest expense	$ 100	$ 200