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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, 2012
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Jul. 31, 2012
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Apr. 30, 2012
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Jan. 31, 2012
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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, 2012
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Oct. 31, 2011
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Oct. 31, 2010
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| Earnings Per Share Reconciliation [Abstract] | |||||||||||
| Net income attributable to Eaton Vance Corp. shareholders | $ 53,118 | $ 50,206 | $ 52,870 | $ 47,271 | $ 46,820 | $ 68,068 | $ 62,479 | $ 37,535 | $ 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 (basic) | $ 197,789 | $ 210,305 | $ 171,623 | ||||||||
| Weighted-average shares outstanding - basic | 112,359,000 | 115,326,000 | 116,444,000 | ||||||||
| Incremental common shares | 2,767,000 | 4,649,000 | 6,188,000 | ||||||||
| Weighted-average shares outstanding - diluted | 115,126,000 | 119,975,000 | 122,632,000 | ||||||||
| Earnings per share (Basic) ($ per share) | $ 0.46 | $ 0.44 | $ 0.46 | $ 0.41 | $ 0.41 | $ 0.58 | $ 0.53 | $ 0.31 | $ 1.76 | $ 1.82 | $ 1.47 |
| Earnings per share (Diluted) ($ per share) | $ 0.45 | $ 0.43 | $ 0.44 | $ 0.40 | $ 0.40 | $ 0.55 | $ 0.50 | $ 0.30 | $ 1.72 | $ 1.75 | $ 1.40 |
| Antidilutive common shares | 14,900,000 | 12,100,000 | 9,000,000 | ||||||||