Derivative Financial (Derivative Financial Instruments Designated as Cash Flow Hedges (Details) - USD ($)	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2013
Derivative Financial Instruments Designated as cash flow Hedges
Treasury lock loss			$ 400,000
Senior Notes 2027 [Member]
Derivative Cash Flow Hedge [Line Items]
Prinicipal amount of debt issued			300,000,000.0
Interest rate on unsecured senior note debt	3.50%
Gain (loss) expected to be reclassified as interest expense on derivative financial instruments designated as cash flow hedges, over the next twelve months	$ (68,000)	$ (68,000)
Total unamortized loss balance on interest rate lock expected to be reclassified to earnings	(500,000)
Loss reclassified to interest expense on derivative financial instruments designated as cash flow hedges	$ 68,000
Senior Notes 2023 [Member]
Derivative Cash Flow Hedge [Line Items]
Prinicipal amount of debt issued				$ 325,000,000.0
Interest rate on unsecured senior note debt	3.625%
Gain reclassified to interest expense on derivative financial instruments designated as cash flow hedges	$ 200,000	$ 200,000	$ 200,000
Gain (loss) expected to be reclassified as interest expense on derivative financial instruments designated as cash flow hedges, over the next twelve months	200,000
Total unamortized loss balance on interest rate lock expected to be reclassified to earnings	$ 700,000