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Employee Benefit Plans (Deferred Plan Assets And Liabilities) (Details)
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12 Months Ended | ||||||||||||
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Oct. 31, 2011
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Oct. 31, 2011
Deferred Plan [Member]
USD ($)
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Oct. 31, 2010
Deferred Plan [Member]
USD ($)
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Oct. 31, 2009
Deferred Plan [Member]
USD ($)
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Oct. 31, 2011
Other Retirement Plans [Member]
USD ($)
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Oct. 31, 2010
Other Retirement Plans [Member]
USD ($)
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Oct. 31, 2009
Other Retirement Plans [Member]
USD ($)
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Oct. 31, 2011
Maximum [Member]
Other Retirement Plans [Member]
USD ($)
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Oct. 31, 2011
Maximum [Member]
Other Retirement Plans [Member]
CAD
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| Employer contribution | $ 21,400,000 | $ 14,700,000 | $ 14,500,000 | $ 1,500 | 4,000 | ||||||||
| Plan assets recorded in long-term other assets | 90,100,000 | 83,300,000 | |||||||||||
| Plan liabilities recorded in long-term other liabilities | 90,100,000 | [1] | 83,300,000 | [1] | |||||||||
| Deferred percentage of variable cash compensation | 100.00% | ||||||||||||
| Deferred percentage of annual cash base compensation | 50.00% | ||||||||||||
| Increase (reduction) to cost of revenue and operating expense | 2,449,000 | 9,426,000 | 8,957,000 | ||||||||||
| Other income (expense), net | 2,449,000 | 8,810,000 | 9,969,000 | ||||||||||
| Net increase (decrease) to net income | $ (616,000) | $ 1,012,000 | |||||||||||
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