|
Income Taxes Additional Other (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Oct. 31, 2010
|
Oct. 31, 2009
|
Oct. 31, 2011
|
|
| Unrecognized tax benefits | |||
| Unrecognized tax benefits, beginning balance | $ 9,975,000 | $ 16,638,000 | $ 9,474,000 |
| Additions for tax provisions of prior years | 245,000 | 3,732,000 | |
| Reductions for tax provisions of prior years | (771,000) | (3,257,000) | |
| Additions based on tax provisions related to current year | 30,000 | 210,000 | |
| Reductions for settlements with taxing authorities | (5,000) | (7,348,000) | |
| Unrecognized tax benefits, ending balance | 9,474,000 | 9,975,000 | 9,474,000 |
| Non-current tax benefits that would change the effective tax rate if recognized | $ 9,500,000 | $ 10,000,000 | $ 9,500,000 |