Stock Based Compensation Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Stock-based compensation expense:
Stock options (under the Omnibus Incentive Plans)	$ 5,702	$ 5,139
Restricted shares (under the Omnibus Incentive Plans)	12,074	10,938
Phantom stock units (under the Omnibus Incentive Plans)	121	27
Employee stock purchase plans	176	211
Employee stock purchase incentive plan	53	32
Atlanta Capital Plan	855	765
Parametric Plan	940	1,149
Parametric Phantom Incentive Plan	378	0
Total stock-based compensation expense	20,299	18,261
Tax benefits expected to be realized for tax deductions from option exercises	$ 7,300	$ 6,000