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Significant Accounting Policies - Goodwill And Income Taxes (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Goodwill [Line Items]
Valuation allowance against deferred tax assets (percent)	100.00%	100.00%	100.00%	100.00%
Anti-dilutive shares	2,100	1,669	2,081	1,687
Maximum
Goodwill [Line Items]
Charge to be expensed, if an impairment of all the goodwill became necessary			$ 8.6

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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