Income and other Taxes Narrative (Details) (USD $)	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Discontinued Operation, Deferred Income Tax Expense Benefit, Discontinued Operations	$ 24,100,000
Deferred tax valuation allowance release	24,080,000	0
Income tax benefit	1,912,000	1,080,000
Discontinued operations, tax effect	30,200,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense		1,100,000
Effective Income Tax Rate Reconciliation, Percent	37.90%	22.00%
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	462,000		445,000	400,000
Income tax credits and adjustments	$ 600,000