v2.4.0.6

Employee Benefit Plans (Deferred Plan Assets And Liabilities) (Details) | 12 Months Ended
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Oct. 31, 2011 | Oct. 31, 2011 Deferred Plan [Member] USD ($) | Oct. 31, 2010 Deferred Plan [Member] USD ($) | Oct. 31, 2009 Deferred Plan [Member] USD ($) | Oct. 31, 2011 Other Retirement Plans [Member] USD ($) | Oct. 31, 2010 Other Retirement Plans [Member] USD ($) | Oct. 31, 2009 Other Retirement Plans [Member] USD ($) | Oct. 31, 2011 Maximum [Member] Other Retirement Plans [Member] USD ($) | Oct. 31, 2011 Maximum [Member] Other Retirement Plans [Member] CAD
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 |  |  |  |  |
[1] | For undistributed deferred compensation due to participants.

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