|
Restructuring (Schedule Of Restructuring Expense) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Jul. 31, 2011
|
Jul. 31, 2010
|
|
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring expenses | $ 759 | $ 10,165 |
|
Gross Margin [Member]
|
||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring expenses | 20 | 7,488 |
|
Operating Expenses [Member]
|
||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring expenses | $ 739 | $ 2,677 |