Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Consolidated Statements of Comprehensive Income
Net income	$ 62,770	$ 53,765	$ 127,640	$ 113,050
Other comprehensive income (loss):
Amortization of loss on derivatives, net of income taxes of $40, $40, $79 and $79, respectively	72	72	144	144
Unrealized holding gains on available-for-sale investments, net of income taxes of $587, $714, $1,027 and $1,600, respectively	949	1,124	1,682	2,568
Foreign currency translation adjustments, net of income taxes of $(66), $(178), $19 and $(178), respectively	73	331	(69)	338
Total comprehensive income	63,864	55,292	129,397	116,100
Comprehensive (income) loss attributable to non-controlling and other beneficial interests	(9,900)	8,714	(27,499)	(13,036)
Total comprehensive income attributable to Eaton Vance Corp. shareholders	$ 53,964	$ 64,006	$ 101,898	$ 103,064