|
Property and equipment (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2010
|
|
| Property and equipment, at cost | |||
| Property and equipment, gross | $ 141,510,000 | $ 117,641,000 | |
| Less: Accumulated depreciation and amortization | (82,712,000) | (65,901,000) | |
| Total property and equipment, net | 58,798,000 | 51,740,000 | |
| Fixed asset depreciation expense | 18,800,000 | 15,100,000 | 12,900,000 |
|
Land
|
|||
| Property and equipment, at cost | |||
| Property and equipment, gross | 1,800,000 | 1,800,000 | |
|
Building and improvements
|
|||
| Property and equipment, at cost | |||
| Property and equipment, gross | 11,588,000 | 11,485,000 | |
|
Office furniture and equipment
|
|||
| Property and equipment, at cost | |||
| Property and equipment, gross | 107,859,000 | 94,558,000 | |
|
Leasehold improvements
|
|||
| Property and equipment, at cost | |||
| Property and equipment, gross | $ 20,263,000 | $ 9,798,000 | |
| 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
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. 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 | ||||||||||
|
- Details
|
| 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
|