Stock Compensation Plans - Schedule of Compensation Cost Related to Performance Share Agreements (Details) - Performance Shares - USD ($)	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost	$ 9,539,000	$ 9,041,000	$ 9,319,000
2012 Performance Share Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or estimated	186,951
Total compensation cost	$ 0	0	2,891,000
2013 Performance Share Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or estimated	146,169
Total compensation cost	$ 0	3,165,000	$ 6,428,000
2014 Performance Share Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or estimated	102,193
Total compensation cost	$ 2,787,000	5,876,000
2015 Performance Share Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or estimated	145,777
Total compensation cost	$ 6,752,000	$ 0
2016 Performance Share Agreement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or estimated	0