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Goodwill and Intangible Assets (Tables)

3 Months Ended

Oct. 31, 2011

Goodwill and Intangible Assets Disclosure [Abstract]

Amortizable intangible assets by major asset class

	October 31, 2011	July 31, 2011
Amortized intangibles:
Covenants not to compete	$ 10,896	$ 10,896
Supply contracts	26,743	27,238
Licenses and databases	1,332	1,337
Accumulated amortization	(27,572)	(26,723)
Net intangibles	$ 11,399	$ 12,748

Carrying amount of goodwill

Balance as of July 31, 2011	$ 198,620
Effect of foreign currency exchange rates	(1,491)
Balance as of October 31, 2011	$ 197,129

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References+ Details

- Definition

Tabular disclosure of goodwill by reportable segment and in total. Disclosure details may include, but are not limited to, the carrying amount of goodwill, goodwill acquired during the year, goodwill impairment losses recognized, goodwill written-off due to the sale of a business unit, goodwill not yet allocated, and any other changes to goodwill.

+ References+ Details