Accrued Expenses and Other Current Liabilities (Termination Fee) (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Jul. 31, 2016	Sep. 30, 2015
Accrued Expenses and Other Current Liabilities [Line Items]
Termination fee	$ 0	$ 2,900	$ 2,775
Increase in accrued termination fee	150
Continuing Operations [Member]
Accrued Expenses and Other Current Liabilities [Line Items]
Increase in accrued termination fee	72
Discontinued Operations [Member]
Accrued Expenses and Other Current Liabilities [Line Items]
Increase in accrued termination fee	$ 78