|
Restricted Cash (Details) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | |
|---|---|---|
|
Apr. 30, 2013
|
Oct. 31, 2012
|
|
| Commitments and Contingencies [Abstract] | ||
| Restricted Cash and Cash Equivalents | $ 15.6 | $ 10.6 |
| Letter of Credit Date of Expiration | Apr. 01, 2019 | |
| Letters of Credit Outstanding, Amount | $ 13.1 | $ 9.6 |