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INDEBTEDNESS - Summary of Long Term Debt (Details) - USD ($) $ in Thousands	Oct. 31, 2018	Oct. 31, 2017	Nov. 14, 2014	Apr. 26, 2007	Jun. 30, 1997
Debt Instrument [Line Items]
Total long-term debt	$ 312,549	$ 331,887
Less: unamortized discounts, debt issuance costs and deferred charges	(2,305)	(2,663)
Less: current portion of long-term debt	0	(26,258)
Long-term debt, less current portion	312,549	305,629
Interest rate percentage			4.00%
Line of Credit
Debt Instrument [Line Items]
Carrying amount of long-term debt	$ 100,000	100,000
Interest rate percentage	7.80%
6.625% Senior Notes
Debt Instrument [Line Items]
Carrying amount of long-term debt	$ 123,854	123,792
Total long-term debt					$ 100,000
Interest rate percentage	6.625%				7.80%
Term loan
Debt Instrument [Line Items]
Carrying amount of long-term debt	$ 0	100,750
Interest rate percentage	6.625%			6.625%
4% Unsecured Note
Debt Instrument [Line Items]
Carrying amount of long-term debt	$ 0	$ 10,008
Interest rate percentage		4.00%
Line of Credit
Debt Instrument [Line Items]
Carrying amount of long-term debt	$ 91,000	$ 0