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Goodwill and Other Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Classification of amortization recognized as expense
Amortization expense	$ 1,162	$ 221	$ 3,086	$ 654
Operations expense	49	28	103	76
Interest expense	569	252	1,164	464
Total expense from the amortization of definite-lived intangible assets	$ 1,780	$ 501	$ 4,353	$ 1,194

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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