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Stockholders' Equity (Schedule of Changes in Accumulated Other Comprehensive Income (Loss))(Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2014 | Apr. 30, 2013 | Apr. 30, 2014 | Apr. 30, 2013
Foreign Currency Translation Adjustment [Roll Forward] |  |  |  |
Foreign Currency Translation Adjustment, Beginning Balance |  |  | $ (4,592) | $ (7,199)
Foreign Currency Translation Adjustment, Gross change in value for the period |  |  | 23,157 | (13,410)
Foreign Currency Translation Adjustment, Reclassification adjustments for losses realized in net income |  |  | 0 | 0
Foreign Currency Translation Adjustment, Tax effect for the period |  |  | 0 | 0
Foreign Currency Translation Adjustment, Ending Balance | 18,565 | (20,609) | 18,565 | (20,609)
Marketable Securities, Unrealized Gain (Loss) [Roll Forward] |  |  |  |
Unrealized Gain (Loss) on Marketable Securities, Beginning Balance |  |  | 0 | 50
Unrealized Gain (Loss) on Marketable Securities, Gross change in value for the period |  |  | 0 | 72
Unrealized Gain (Loss) on Marketable Securities, Reclassification adjustments for losses realized in net income |  |  | 0 | 0
Unrealized Gain (Loss) on Marketable Securities, Tax effect for the period | 0 | (13) | 0 | (25)
Unrealized Gain (Loss) on Marketable Securities, Ending Balance | 0 | 97 | 0 | 97
Change in Value of Derivative Instruments [Roll Forward] |  |  |  |
Change in Value of Derivative Instruments, Beginning Balance |  |  | (1,033) | (2,374)
Change in Value of Derivative Instruments, Gross change in value for the period |  |  | (56) | (216)
Change in Value of Derivative Instruments, Reclassification adjustments for losses realized in net income |  |  | 1,075 | 1,210
Change in value of derivative instruments, Tax effect for the period | (175) | (156) | (397) | (387)
Change in Value of Derivative Instruments, Ending Balance | (411) | (1,767) | (411) | (1,767)
Minimum Pension Liability [Roll Forward] |  |  |  |
Minimum Pension Liability, Beginning Balance |  |  | (10,137) | (21,738)
Minimum Pension Liability, Gross change in value for the period |  |  | 14 | 14
Minimum Pension Liability, Reclassification adjustments for losses realized in net income |  |  | 0 | 0
Minimum Pension Liability, Tax effect for the period | 0 | 0 | 0 | 0
Minimum Pension Liability, Ending Balance | (10,123) | (21,724) | (10,123) | (21,724)
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |  |  |
Total, Beginning balance |  |  | (15,762) | (31,261)
Gross change in value for the period |  |  | 23,115 | (13,540)
Reclassification adjustments for losses realized in net income for the period |  |  | 1,075 | 1,210
Tax effect for the period |  |  | (397) | (412)
Total, Ending balance | $ 8,031 | $ (44,003) | $ 8,031 | $ (44,003)

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