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Discontinued Operations, Assets Held for Sale, and Business Divestiture Narrative (Details) (Repair group, USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2014
Repair group
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Workforce reduction costs expected	$ 959
Workforce reduction costs incurred	274
Workforce reduction costs paid	$ 701

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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