INDEBTEDNESS - Narrative (Details)		1 Months Ended			12 Months Ended
	Nov. 14, 2014 USD ($)	Jun. 30, 2018 USD ($)	Oct. 31, 2014 USD ($)	Jun. 30, 1997 USD ($) instrument	Oct. 31, 2018 USD ($)	Jun. 01, 2018 USD ($)	May 31, 2018 USD ($)	Oct. 31, 2017 USD ($)	Apr. 26, 2007 USD ($)
Principal payments on long-term debt in fiscal years
2019					$ 0
2020					0
2021					0
2022					0
2023					91,000,000
After 2023					225,000,000
Maturity period (in years)			5 years
Total long-term debt					312,549,000			$ 331,887,000
Aggregate principal amount of notes issued	$ 30,000,000
Interest rate percentage	4.00%
Term loan, due October 25, 2019
Principal payments on long-term debt in fiscal years
Carrying amount of long-term debt					$ 100,000,000			100,000,000
Aggregate principal amount of notes issued			$ 130,000,000
Interest rate percentage					7.80%
Term loan
Principal payments on long-term debt in fiscal years
Carrying amount of long-term debt					$ 0			100,750,000
Aggregate principal amount of notes issued									$ 125,000,000
Interest rate percentage					6.625%				6.625%
Percentage of par value at which debt was issued									98.513%
Debt discount, unamortized									$ 1,900,000
Total underwriting fee and direct debt issue costs									$ 1,500,000
Effective interest rate (as a percent)					6.741%
Basis points					0.30%
Redemption price as a percentage of the principal amount upon the occurrence of both a change of control and downgrade of rating (as a percent)					101.00%
Debt securities issued in June 1997
Principal payments on long-term debt in fiscal years
Aggregate principal amount of notes issued				$ 175,000,000
7.125% coupon 10-year notes
Principal payments on long-term debt in fiscal years
Maturity period (in years)				10 years
Aggregate principal amount of notes issued				$ 75,000,000
Interest rate percentage				7.125%
7.8% Debentures, due June 15, 2027
Principal payments on long-term debt in fiscal years
Maturity period (in years)				30 years
Carrying amount of long-term debt					$ 123,854,000			123,792,000
Total long-term debt				$ 100,000,000
Interest rate percentage				7.80%	6.625%
Amount paid to terminate forward-starting interest rate swap agreements				$ 23,700,000
Number of terminated forward-starting interest rate swap agreements | instrument				3
Notional amount				$ 125,000,000
Deferred income amount at the time of swap termination				$ 18,700,000
Fiscal 2015 Acquisitions
Principal payments on long-term debt in fiscal years
Note payable at fair value	$ 31,200,000
Term loan, due October 25, 2019
Principal payments on long-term debt in fiscal years
Maturity period (in years)		5 years
Maximum borrowing capacity						$ 600,000,000	$ 150,000,000
Accordion feature					$ 300,000,000
Carrying amount of long-term debt					91,000,000			$ 0
Unused borrowing capacity					507,500,000
Payment of debt issuance costs		$ 1,900,000
Term loan, due October 25, 2019 | Standby Letters of Credit
Principal payments on long-term debt in fiscal years
Maximum borrowing capacity						10,000,000
Total long-term debt					$ 1,500,000
Term loan, due October 25, 2019 | Swingline Loan
Principal payments on long-term debt in fiscal years
Maximum borrowing capacity						$ 30,000,000