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Goodwill and intangible assets (Detail) - Schedule of indefinite-lived intangible assets by segment (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Jul. 31, 2012
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Jul. 31, 2011
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Jul. 31, 2010
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| Gross | $ 34,838 | ||
| Accumulated Amortization | (14,853) | ||
| Net | 19,985 | ||
| Accumulated Amortization | 1,660 | 1,507 | 1,542 |
| Net | 1,660 | 1,507 | 1,542 |
| Gross | 27,904 | 34,838 | |
| Accumulated Amortization | (16,124) | (14,853) | |
| Net | 11,780 | 19,985 | |
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Life Sciences [Member]
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| Gross | 34,838 | 33,940 | |
| Accumulated Amortization | (14,853) | (13,572) | |
| Net | 19,985 | 20,368 | |
| Accumulated Amortization | (1,660) | (1,507) | |
| Net | (1,660) | (1,507) | |
| Gross | (1,232) | 898 | |
| Accumulated Amortization | 389 | 226 | |
| Net | (843) | 1,124 | |
| Trademark impairment charge | (5,702) | ||
| Gross | 27,904 | 34,838 | |
| Accumulated Amortization | (16,124) | (14,853) | |
| Net | $ 11,780 | $ 19,985 | |
| X | ||||||||||
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- Definition
The amount of finite lived intangible assets amortization of translation adjustments. No definition available.
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| X | ||||||||||
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- Definition
The amount of finite lived intangible assets translation adjustments. No definition available.
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| X | ||||||||||
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- 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
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| X | ||||||||||
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- 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
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| X | ||||||||||
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- 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
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| X | ||||||||||
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- 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
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| X | ||||||||||
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- 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.
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| X | ||||||||||
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- 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
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