Investments (Tables)
6 Months Ended
Apr. 30, 2013
Investments Table [Abstract]  
Summary of investments
(in thousands) April 30, 2013  October 31, 2012
Investment securities, trading:        
Consolidated sponsored funds $ 243,657  $ 157,405 
Separately managed accounts   41,364    32,848 
Total investment securities, trading   285,021    190,253 
Investment securities, available-for-sale   19,770    31,148 
Investment in non-consolidated CLO entity   314    350 
Investments in equity method investees   229,422    257,652 
Investments, other   7,531    7,530 
Total investments(1) $ 542,058  $ 486,933 
(1) Excludes the Company's investment in its consolidated CLO entity, which is discussed in Note 9. 
Summary of investments classified as trading securities
(in thousands) April 30, 2013  October 31, 2012
Debt securities $ 98,225  $ 70,805 
Equity securities   186,796    119,448 
Total investment securities, trading $ 285,021  $ 190,253 
Summary of investments classified as available-for-sale securities
April 30, 2013    Gross Unrealized   
(in thousands)Cost Gains Losses Fair Value
Investment securities, available-for-sale$ 13,851 $ 5,931 $ (12) $ 19,770
            
October 31, 2012    Gross Unrealized   
(in thousands)Cost Gains Losses Fair Value
Investment securities, available-for-sale$ 22,331 $ 8,835 $ (18) $ 31,148
Summary of realized gains and losses upon disposition of investments classified as available-for-sale
  Three Months Ended Six Months Ended
  April 30, April 30,
(in thousands) 2013 2012 2013 2012
Gains $ 342 $ 162 $ 5,251 $ 247
Losses   -   (101)   -   (123)
Net realized gains $ 342 $ 61 $ 5,251 $ 124
Summary of equity method investments
  Equity Ownership Interest (%) Carrying Value ($)(1)
  April 30, October 31,  April 30,  October 31,
(dollar amounts in thousands)2013 2012  2013  2012
           
Eaton Vance Real Estate Fund39% 48% $ 14,365 $ 16,494
Eaton Vance Municipal         
Opportunities Fund31%  -   11,240   -
Eaton Vance Focused Value         
Opportunities Fund41%  -   6,190   -
Eaton Vance Tax-Advantaged Bond         
Strategies Long Term Fund23% 31%   6,113   10,346
Eaton Vance Focused Growth         
Opportunities Fund41%  -   5,922   -
Eaton Vance Richard Bernstein         
All Asset Strategy Fund - 44%   -   23,341
AGF Floating Rate Income Fund - 21%   -   15,334
Eaton Vance Parametric Structured          
Currency Fund - 33%   -   1,043
Total    $ 43,830 $ 66,558
           
(1) The carrying value of equity method investments in Eaton Vance-managed funds is measured based on the funds’ net asset
 values. The Company has the ability to redeem its investments in these funds at any time. Not shown are Company
 investments in certain of the above-listed funds that were not accounted for as equity method investments as of the
 indicated date.