Earnings per Share
 12 Months Ended
Oct. 31, 2012
Earnings Per Share Disclosure [Abstract]  
Earnings per Share

20. Earnings per Share

The following table sets forth the calculation of earnings per basic and diluted share for the years ended October 31, 2012, 2011 and 2010 using the two-class method:

 (in thousands, except per share data)2012 20112010
 Net income attributable to Eaton Vance Corp.       
  shareholders$ 203,465 $ 214,902$ 174,298
 Less: Allocation of earnings to participating       
  restricted shares  5,676   4,597  2,675
 Net income available to common shareholders$ 197,789 $ 210,305$ 171,623
 Weighted-average shares outstanding – basic  112,359   115,326  116,444
 Incremental common shares  2,767   4,649  6,188
 Weighted-average shares outstanding – diluted  115,126   119,975  122,632
 Earnings per share:       
  Eaton Vance Corp. shareholders:       
  Basic$ 1.76 $ 1.82$ 1.47
  Diluted$ 1.72 $ 1.75$ 1.40

Antidilutive common shares related to stock options excluded from the computation of earnings per diluted share were approximately 14.9 million, 12.1 million, and 9.0 million for the years ended October 31, 2012, 2011 and 2010, respectively.