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Employee Benefit Plans (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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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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| Profit Sharing and Savings Plan | |||
| Maximum 401K employer match contribution | $ 1,040 | ||
| Maximum profit sharing contribution percentage | 15.00% | ||
| Maximum employer profit sharing contribution | 36,750 | 36,750 | 34,500 |
| Profit sharing and savings plan expense | 16,800,000 | 15,300,000 | 14,600,000 |
| Supplemental Profit Sharing Retirement Plan | |||
| Supplemental Profit Sharing Retirement Plan expense recognized by the Company | $ 16,243 | $ 49,649 | $ 55,593 |