Income and other Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income tax (expense) benefit	$ (2)	$ 1,912
Discontinued operations, tax effect	$ 0	$ (30,200)
Effective tax rate	1.50%	(37.90%)
Income tax penalties and interest accrued	$ 300		$ 300