Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Goodwill (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Goodwill (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Impairment		$ 0	$ 0	$ 0
Assumed annual compound growth rate after five or ten years	4.03%
Minimum [Member]
Weighted average cost of capital assumption	9.49%
Maximum [Member]
Weighted average cost of capital assumption	12.83%