Commitments and Contingencies (Narrative) (Details)	12 Months Ended
	Sep. 30, 2015
Operating Leased Assets [Line Items]
Term of operating leases	20 years
Minimum [Member]
Operating Leased Assets [Line Items]
Lease Expiration Date	Jan. 01, 2018
Maximum [Member]
Operating Leased Assets [Line Items]
Lease Expiration Date	Dec. 31, 2024