|
Intangible Assets 2 (Details) (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Apr. 30, 2013
|
Apr. 30, 2012
|
Apr. 30, 2013
|
Apr. 30, 2012
|
|
| Amortization Expense | ||||
| Amortizing intangible assets amortization expense | $ 2,400,000 | $ 2,000,000 | $ 4,500,000 | $ 4,000,000 |
| Estimated amortization expense | ||||
| Remaining 2013 | 4,717,000 | 4,717,000 | ||
| 2014 | 9,408,000 | 9,408,000 | ||
| 2015 | 9,183,000 | 9,183,000 | ||
| 2016 | 8,741,000 | 8,741,000 | ||
| 2017 | 8,628,000 | 8,628,000 | ||
| 2018 | $ 8,188,000 | $ 8,188,000 | ||