|
Fair Value Measurements Transfer Narrative (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Apr. 30, 2013
|
Apr. 30, 2012
|
Apr. 30, 2013
|
Apr. 30, 2012
|
|
| Fair Value Measurements Details [Abstract] | ||||
| Transfers from Level 1 into level 2 | $ 120 | $ 0 | $ 120 | $ 7,204 |
| Transfers from Level 2 into level 1 | $ 137 | $ 2,620 | $ 1,743 | $ 0 |