Preliminary Purchase Price and Related Allocations (Detail) (TEGG, USD $) In Thousands, unless otherwise specified	May 31, 2012
Purchase price:
Total cash consideration	$ 5,667
Allocated to:
Cash	160
Goodwill	1,937
Other assets	1,199
Accrued liabilities and other	(1,929)
Net assets acquired	5,667
Other Identifiable Intangibles
Allocated to:
Intangible assets other than goodwill	2,200
Software technology
Allocated to:
Intangible assets other than goodwill	$ 2,100

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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-Name Statement of Financial Accounting Standard (FAS)

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The amount of cash and cash equivalents acquired in a business combination.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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Amount of acquisition cost of a business combination allocated to assets, excluding financial assets and goodwill, lacking physical substance.

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The amount of acquisition cost of a business combination allocated to liabilities assumed.

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-Name Emerging Issues Task Force (EITF)

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Amount of acquisition cost of a business combination allocated to other assets not separately disclosed in the balance sheet.

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