Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Consolidated Statements of Comprehensive Income
Net income	$ 321,164us-gaap_ProfitLoss	$ 230,426us-gaap_ProfitLoss	$ 264,768us-gaap_ProfitLoss
Other comprehensive income (loss):
Change in unrealized gains on derivative instruments, net of tax	0	1,227	0
Amortization of net gains (losses) on derivatives, net of tax	13	845	290
Unrealized holding gains (losses) on available-for-sale investments, net of tax	1,124	(957)	2,075
Foreign currency translation adjustments, net of tax	(18,956)	(5,215)	218
Other comprehensive income (loss), net of tax	(17,819)	(4,100)	2,583
Total comprehensive income	303,345	226,326	267,351
Comprehensive income attributable to non-controlling and other beneficial interests	(16,848)	(36,585)	(61,303)
Total comprehensive income attributable to Eaton Vance Corp. shareholders	$ 286,497us-gaap_ComprehensiveIncomeNetOfTax	$ 189,741us-gaap_ComprehensiveIncomeNetOfTax	$ 206,048us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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