Consolidated Statements of Income - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Revenue:      
Investment advisory and administrative fees $ 1,151,198 $ 1,196,866 $ 1,231,188
Distribution and underwriter fees 74,822 80,815 85,514
Service fees 107,684 116,448 125,713
Other revenue 9,156 9,434 7,879
Total revenue 1,342,860 1,403,563 1,450,294
Expenses:      
Compensation and related costs 491,115 483,827 461,438
Distribution expense 117,996 198,155 141,544
Service fee expense 98,494 106,663 116,620
Amortization of deferred sales commissions 15,451 14,972 17,590
Fund-related expenses 35,899 35,886 35,415
Other expenses 169,637 163,613 157,830
Total expenses 928,592 1,003,116 930,437
Operating income 414,268 400,447 519,857
Non-operating income (expense):      
Gains (losses) and other investment income, net 12,411 (31) 1,139
Interest expense (29,410) (29,357) (29,892)
Other income (expense) of consolidated collateralized loan obligation ("CLO") entities:      
Gains and other investment income, net 24,069 5,092 14,892
Interest and other expense (13,286) (6,767) (14,847)
Total non-operating expense (6,216) (31,063) (28,708)
Income before income taxes and equity in net income of affiliates 408,052 369,384 491,149
Income taxes (153,630) (143,214) (186,710)
Equity in net income of affiliates, net of tax 10,335 12,021 16,725
Net income 264,757 238,191 321,164
Net income attributable to non-controlling and other beneficial interests (23,450) (7,892) (16,848)
Net income attributable to Eaton Vance Corp. shareholders $ 241,307 $ 230,299 $ 304,316
Earnings per share:      
Basic $ 2.20 $ 2.00 $ 2.55
Diluted $ 2.12 $ 1.92 $ 2.44
Weighted average shares outstanding:      
Basic 109,914 113,318 116,440
Diluted 113,982 118,155 121,595
Dividends declared per share $ 1.075 $ 1.015 $ 0.910