Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Revenue:
Investment advisory and administrative fees	$ 248,888	$ 251,670	$ 488,340	$ 494,404
Distribution and underwriter fees	22,551	26,141	45,066	53,468
Service fees	32,065	36,478	64,364	73,823
Other revenue	1,266	1,324	2,606	2,532
Total revenue	304,770	315,613	600,376	624,227
Expenses:
Compensation and related costs	97,566	97,157	194,249	194,207
Distribution expense	32,960	33,657	65,288	66,354
Service fee expense	28,088	30,780	56,761	62,109
Amortization of deferred sales commissions	5,533	9,643	11,353	19,993
Fund expenses	6,590	5,017	13,241	9,561
Other expenses	35,222	32,547	67,853	65,846
Total expenses	205,959	208,801	408,745	418,070
Operating income	98,811	106,812	191,631	206,157
Non-operating income (expense):
Gains and other investment income, net	2,796	12,492	10,973	13,812
Interest expense	(8,412)	(8,412)	(16,825)	(16,825)
Other income (expense) of consolidated CLO entity:
Gains (losses) and other investment income, net	8,895	(12,984)	19,175	(11,149)
Interest expense	(4,134)	(4,033)	(8,445)	(5,547)
Total non-operating (expense) income	(855)	(12,937)	4,878	(19,709)
Income before income taxes and equity in net (loss) income of affiliates	97,956	93,875	196,509	186,448
Income taxes	(35,164)	(41,337)	(70,351)	(75,859)
Equity in net (loss) income of affiliates, net of tax	(22)	1,227	1,482	2,461
Net income	62,770	53,765	127,640	113,050
Net (income) loss attributable to non-controlling and other beneficial interests	(9,900)	8,714	(27,499)	(13,036)
Net income attributable to Eaton Vance Corp. shareholders	$ 52,870	$ 62,479	$ 100,141	$ 100,014
Earnings per share:
Basic	$ 0.46	$ 0.53	$ 0.87	$ 0.84
Diluted	$ 0.44	$ 0.50	$ 0.84	$ 0.80
Weighted average shares outstanding:
Basic	112,418	116,413	112,541	116,540
Diluted	115,881	122,292	115,324	122,167
Dividends declared per share	$ 0.19	$ 0.18	$ 0.38	$ 0.36