|
Fire At Bus Production Facility (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
|
Apr. 30, 2011
|
Apr. 30, 2012
|
Apr. 30, 2011
|
|
| Fire At Bus Production Facility [Abstract] | |||
| Amount deductible per the policy | $ 5,000 | ||
| Insurance proceeds received for losses incurred | 9,566 | ||
| Business interruption portion of insurance proceeds | 5,378 | ||
| Clean up and other costs | 915 | ||
| Gain on business interruption insurance recovery | $ 1,818 | $ 8,651 | |