Stock Based Compensation Plans (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Stock-based compensation expense:
Stock options (under the 2008 Plan)	$ 3,316,000	$ 6,314,000	$ 10,841,000	$ 21,758,000
Restricted shares (under the 2008 Plan)	8,102,000	6,014,000	24,539,000	18,021,000
Phantom stock units (under the 2008 Plan)	109,000	67,000	382,000	190,000
Employee stock purchase plan	859,000	318,000	1,235,000	426,000
Incentive Plan - Stock Alternative Expense	110,000	25,000	308,000	151,000
Atlanta Capital Plan	352,000	232,000	1,055,000	695,000
Parametric Plan	823,000	595,000	2,468,000	1,768,000
Total stock-based compensation expense	13,671,000	13,565,000	40,828,000	43,009,000
Tax benefits expected to be realized for tax deductions from option exercises	$ 4,400,000	$ 4,100,000	$ 14,900,000	$ 13,300,000