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Royalty and other income (Detail) (Life Sciences [Member], 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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Life Sciences [Member]
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| Royalty Revenue | $ 5,900 | $ 6,800 | $ 6,800 |
| X | ||||||||||
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- Definition
Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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