Stock Based Compensation Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Stock-based compensation expense:
Stock options (under the Omnibus Incentive Plans)	$ 7,289	$ 5,702
Restricted shares (under the Omnibus Incentive Plans)	13,493	12,074
Phantom stock units (under the Omnibus Incentive Plans)	922	121
Employee stock purchase plans	481	176
Employee stock purchase incentive plan	86	53
Atlanta Capital Plan	742	855
Parametric Plan	794	940
Parametric Phantom Incentive Plan	701	378
Atlanta Capital Phantom Incentive Plan	143	0
Total stock-based compensation expense	24,651	20,299
Tax benefits recognized for stock-based compensation arrangements	$ 5,700	$ 7,300