|
Goodwill and intangible assets (Details) - Schedule of Indefinite-Lived Intangible Assets (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Jul. 31, 2013
|
Jul. 31, 2012
|
Jul. 31, 2011
|
|
| Indefinite-lived Intangible Assets [Line Items] | |||
| Gross | $ 27,904 | ||
| Accumulated Amortization | (16,124) | ||
| Net | 11,780 | ||
| Accumulated Amortization | (1,990) | (1,660) | (1,507) |
| Net | (1,990) | (1,660) | (1,507) |
| Gross | 28,214 | 27,904 | |
| Accumulated Amortization | (18,271) | (16,124) | |
| Net | 9,943 | 11,780 | |
|
Life Sciences [Member]
|
|||
| Indefinite-lived Intangible Assets [Line Items] | |||
| Gross | 27,904 | 34,838 | |
| Accumulated Amortization | (16,124) | (14,853) | |
| Net | 11,780 | 19,985 | |
| Accumulated Amortization | (1,990) | (1,660) | |
| Net | (1,990) | (1,660) | |
| Gross | 310 | (1,232) | |
| Accumulated Amortization | (157) | 389 | |
| Net | 153 | (843) | |
| Trademark impairment charge | (5,702) | ||
| Gross | 28,214 | 27,904 | |
| Accumulated Amortization | (18,271) | (16,124) | |
| Net | $ 9,943 | $ 11,780 | |
| X | ||||||||||
|
- Definition
The amount of finite lived intangible assets amortization of translation adjustments. No definition available.
|
| X | ||||||||||
|
- Definition
The amount of finite lived intangible assets translation adjustments. No definition available.
|
| X | ||||||||||
|
- Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments. No definition available.
|
| X | ||||||||||
|
- Definition
The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|