Discontinued Operations Assets Held for Sale and Business Divestiture - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended			0 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Repair Group [Member]	Dec. 10, 2012 ASC [Member] Country	Sep. 30, 2013 ASC [Member]	Dec. 31, 2013 Forecast [Member] Repair Group [Member]	Sep. 30, 2013 Forecast [Member] Repair Group [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash flows expected to be received and paid by the Company on discontinued operation						$ 725
Asset Impairment Charges	(72)	0	354
Workforce reduction costs			959				274
Severence costs incurred			685
Severence costs paid			6
Cash proceeds from divestiture				8,100
Cash proceeds placed in Escrow from divestiture				980
Discontinued operations located in foreign countries (in countries)				3
Pre-tax gain from divestiture					$ 3,980