Business Combinations (Estimates of Acquired Intangible Assets) (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	May. 07, 2015		Sep. 30, 2015	Sep. 30, 2014
Acquired Indefinite-lived Intangible Assets [Line Items]
Goodwill, including assembled Workforce	$ 14,970	[1]	$ 15,066	$ 96
Trademarks and Trade Names [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Estimated Fair Value	3,900
Franchise Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Fair Value	116
Franchise Agreements [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life			3 years
Franchise Agreements [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Estimated Useful Life			9 years
Non-Compete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated Fair Value	$ 15
Weighted Average Estimated Useful Life			3 years

[1] The excess of the purchase price over the aggregate fair value of net assets acquired was allocated to goodwill. The portion of the purchase price attributable to goodwill represents benefits expected as a result of the acquisition, including sales and unit growth opportunities.