Intangible Assets (Tables)

6 Months Ended

Jan. 31, 2012


	January 31, 2012
	Weighted Average Amortization Period	Gross Carrying Amount	Accumulated Amortization	Net Carrying Amount
Technologies	11.7	$ 47,694,000	28,724,000	$ 18,970,000
Customer relationships	10.0	29,931,000	10,757,000	19,174,000
Trademarks and other	19.8	6,044,000	2,129,000	3,915,000
Total		$ 83,669,000	41,610,000	$ 42,059,000


	July 31, 2011
	Weighted Average Amortization Period	Gross Carrying Amount	Accumulated Amortization	Net Carrying Amount
Technologies	10.2	$ 47,694,000	27,000,000	$ 20,694,000
Customer relationships	10.0	29,931,000	9,281,000	20,650,000
Trademarks and other	18.6	6,044,000	1,918,000	4,126,000
Total		$ 83,669,000	38,199,000	$ 45,470,000

- 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.

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