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Other Intangible Assets (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2012	Jun. 30, 2011
Other Intangible Assets (Textual) [Abstract]
Amortization of intangible assets	$ 704		$ 1,237		$ 2,111	$ 3,658

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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