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Stock Based Compensation Plans (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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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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| Stock-based compensation expense: | |||
| Stock options (under the 2008 Plan) | $ 27,959,000 | $ 31,536,000 | $ 32,225,000 |
| Restricted shares (under the 2008 Plan) | 24,202,000 | 17,180,000 | 13,065,000 |
| Phantom stock units (under the 2008 Plan) | 280,000 | 264,000 | 301,000 |
| Employee stock purchase plan | 426,000 | 782,000 | 1,099,000 |
| Incentive Plan - Stock Alternative Expense | 151,000 | 373,000 | 342,000 |
| Atlanta Capital Plan | 927,000 | 639,000 | 408,000 |
| Parametric Plan | 2,362,000 | 1,520,000 | 720,000 |
| Total stock-based compensation expense | 56,307,000 | 52,294,000 | 48,160,000 |
| Tax benefits expected to be realized for tax deductions from option exercises | $ 17,900,000 | $ 16,500,000 | $ 15,000,000 |