|
Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
|
Apr. 30, 2012
|
Jul. 31, 2011
|
Oct. 31, 2010
Trademarks [Member]
|
Apr. 30, 2012
Trademarks [Member]
Y
|
Apr. 30, 2011
Non-Cash trademark [Member]
|
Apr. 30, 2012
Buses [Member]
|
|
| Finite-Lived Intangible Assets [Line Items] | ||||||
| Definite-lived assets, useful lives, years | 25 | |||||
| Definite-lived assets, useful lives minimum, years | 20 | |||||
| Goodwill | $ 245,209 | $ 244,452 | $ 7,106 | |||
| Indefinite-lived intangible assets impairment | $ 2,036 | $ 1,430 | ||||