|
Acquisitions, Goodwill and Intangible Assets 4 (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Oct. 31, 2011
|
Oct. 31, 2010
|
Oct. 31, 2009
|
|
| Amortization Expense | |||
| Amortizing intangilbe assets amortization expense | $ 7,900,000 | $ 7,800,000 | $ 6,900,000 |
| Estimated amortization expense | |||
| 2012 | 7,995,000 | ||
| 2013 | 7,995,000 | ||
| 2014 | 7,968,000 | ||
| 2015 | 7,743,000 | ||
| 2016 | $ 7,301,000 | ||