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Restructuring Costs (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Activity in the restructuring cost liability accrual
Balance at the beginning of the year	$ 4,438	$ 0
Costs incurred	1,357	7,370
Costs paid	(4,180)	(2,932)
Balance at the end of the year	$ 1,615	$ 4,438

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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