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Earnings Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Oct. 31, 2011
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Jul. 31, 2011
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Apr. 30, 2011
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Jan. 31, 2011
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Oct. 31, 2010
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Jul. 31, 2010
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Apr. 30, 2010
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Jan. 31, 2010
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Oct. 31, 2011
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Oct. 31, 2010
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Oct. 31, 2009
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| Earnings Per Share Reconciliation [Abstract] | |||||||||||
| Net income attributable to Eaton Vance Corp. shareholders | $ 46,820 | $ 68,068 | $ 62,479 | $ 37,535 | $ 50,306 | $ 41,750 | $ 36,000 | $ 46,242 | $ 214,902 | $ 174,298 | $ 130,107 |
| Net income allocated to participating restricted shares | 4,597 | 2,675 | 1,125 | ||||||||
| Net income allocated to common shares (basic) | 210,305 | 171,623 | 128,982 | ||||||||
| Net income allocated to common shares (diluted) | $ 210,305 | $ 171,623 | $ 128,982 | ||||||||
| Weighted-average shares outstanding - basic | 115,326,000 | 116,444,000 | 116,175,000 | ||||||||
| Incremental common shares | 4,649,000 | 6,188,000 | 4,400,000 | ||||||||
| Weighted-average shares outstanding - diluted | 119,975,000 | 122,632,000 | 120,575,000 | ||||||||
| Earnings per common share attributable to Eaton Vance Corp. shareholders (Basic) ($ per share) | $ 0.41 | $ 0.58 | $ 0.53 | $ 0.31 | $ 0.43 | $ 0.35 | $ 0.30 | $ 0.39 | $ 1.82 | $ 1.47 | $ 1.11 |
| Earnings per common share attributable to Eaton Vance Corp. shareholders (Diluted) ($ per share) | $ 0.40 | $ 0.55 | $ 0.50 | $ 0.30 | $ 0.41 | $ 0.34 | $ 0.29 | $ 0.37 | $ 1.75 | $ 1.40 | $ 1.07 |
| Antidilutive common shares | 12,100,000 | 9,000,000 | 14,600,000 | ||||||||