Basis of Presentation (Tables)

6 Months Ended

Apr. 30, 2012

Basis Of Presentation Disclosure Table [Abstract]

Schedule of change in presentation of net investment income and net investment gains or losses earned by consolidated sponsored funds

	Three Months Ended
	April 30, 2011
(in thousands)		As Previously Reported	Reclassifications			As Reclassified
Other revenue	$	11,549	$	(10,225)	$	1,324
Total revenue		325,838		(10,225)		315,613
Operating income		117,037		(10,225)		106,812
Gains and other investment income, net		2,267		10,225		12,492
Net income		53,765		-		53,765
Net income attributable to Eaton Vance Corp. shareholders		62,479		-		62,479

	Six Months Ended
	April 30, 2011
(in thousands)		As Previously Reported	Reclassifications			As Reclassified
Other revenue	$	16,430	$	(13,898)	$	2,532
Total revenue		638,125		(13,898)		624,227
Operating income		220,055		(13,898)		206,157
Gains and other investment income, net		(86)		13,898		13,812
Net income		113,050		-		113,050
Net income attributable to Eaton Vance Corp. shareholders		100,014		-		100,014