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Note 7. Goodwill (Detail) - Changes in the Carrying Amount of Goodwill (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended
	May 31, 2012	Sep. 30, 2012	Sep. 30, 2011
Balance at beginning of period		$ 20,122	$ 20,036
Acquisitions		1,175
Contingent acquisition payments		248	3
Purchase price allocation adjustments	142		83
Balance at end of period		$ 21,545	$ 20,122

X

- Definition

This element represents the amount of any change, including any differences arising upon settlement, recognized during the reporting period in the value of a liability, arising from an item of contingent consideration, assumed in a business combination.

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Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

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The net cash inflow or outflow associated with the aggregate amount of adjustment to the purchase price of a previous acquisition.

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