Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Revenue:
Investment advisory and administrative fees	$ 244,655	$ 262,067	$ 732,995	$ 756,471
Distribution and underwriter fees	22,066	26,432	67,132	79,900
Service fees	30,760	37,426	95,124	111,249
Other revenue	1,290	1,131	3,896	3,663
Total revenue	298,771	327,056	899,147	951,283
Expenses:
Compensation and related costs	94,700	94,713	288,949	288,920
Distribution expense	32,670	33,733	97,958	100,087
Service fee expense	28,165	32,222	84,926	94,331
Amortization of deferred sales commissions	4,593	8,503	15,946	28,496
Fund expenses	7,205	8,099	20,446	17,660
Other expenses	36,422	34,359	104,275	100,205
Total expenses	203,755	211,629	612,500	629,699
Operating income	95,016	115,427	286,647	321,584
Non-operating income (expense):
Gains and other investment income, net	1,927	7,594	12,900	21,406
Interest expense	(8,525)	(8,414)	(25,350)	(25,239)
Other income (expense) of consolidated CLO entity:
Gains (losses) and other investment income, net	12,872	1,454	32,047	(9,695)
Interest expense	(4,399)	(3,999)	(12,844)	(9,546)
Total non-operating income (expense)	1,875	(3,365)	6,753	(23,074)
Income before income taxes and equity in net income of affiliates	96,891	112,062	293,400	298,510
Income taxes	(34,379)	(43,320)	(104,730)	(119,179)
Equity in net income of affiliates, net of tax	175	194	1,657	2,655
Net income	62,687	68,936	190,327	181,986
Net income attributable to non-controlling and other beneficial interests	(12,481)	(868)	(39,980)	(13,904)
Net income attributable to Eaton Vance Corp. shareholders	$ 50,206	$ 68,068	$ 150,347	$ 168,082
Earnings per share:
Basic	$ 0.44	$ 0.58	$ 1.30	$ 1.42
Diluted	$ 0.43	$ 0.55	$ 1.27	$ 1.35
Weighted average shares outstanding:
Basic	112,110	115,574	112,354	116,191
Diluted	114,591	120,543	115,031	121,566
Dividends declared per share	$ 0.19	$ 0.18	$ 0.57	$ 0.54