Commitments And Contingencies (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Mar. 31, 2015	Sep. 30, 2013	Sep. 30, 2014
Commitments And Contingencies [Abstract]
Accrued Insurance	$ 3,896		$ 4,560
Reserve for construction defect liabilities	529		569
Estimated cost of completion of bonded project	57,622
Insurance Related [Member]
Other Commitments [Line Items]
Letters of Credit Outstanding, Amount	6,347
Vendor Related [Member]
Other Commitments [Line Items]
Letters of Credit Outstanding, Amount	571
Surety Bond [Member]
Loss Contingency [Line Items]
Interest rate on settlement value gross	12.00%
Receipt of payments	100	450
Valuation Allowances And Reserves Charged To Cost And Expense Gross		$ 1,725