|
Property, plant, and equipment (Detail) - Schedule Of Property, Plant And Equipment (USD $)
In Thousands, unless otherwise specified |
Jul. 31, 2012
|
Jul. 31, 2011
|
|---|---|---|
| Building and building improvements | $ 4,751 | $ 4,320 |
| Machinery and equipment | 6,760 | 6,916 |
| Office furniture and computer equipment | 14,879 | 14,551 |
| Leasehold improvements | 4,498 | 4,694 |
| 30,888 | 30,481 | |
| Accumulated depreciation and amortization | (22,484) | (20,858) |
| 8,404 | 9,623 | |
| Land and land improvements | 712 | 712 |
| $ 9,116 | $ 10,335 |
| X | ||||||||||
|
- Definition
Gross amount, at the balance sheet date, of Office furniture and computer equipment. No definition available.
|
| X | ||||||||||
|
- Definition
Amount, net of accumulated depreciation, depletion and amortization, of property, plant, and equipment excluding land and land improvements. No definition available.
|
| X | ||||||||||
|
- Definition
The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Carrying amount of real estate held for productive use and alterations to land which improves its potential for use, examples include, but are not limited to, walkways, driveways, fences, and parking lots. Excludes land held for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Gross amount, at the balance sheet date, of long-lived, depreciable assets that are an addition or improvement to assets held under lease arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Gross amount, as of the balance sheet date, of long-lived, depreciable assets used in the production process to produce goods and services. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|