Impairment of Long-Lived Assets and Goodwill (Details) (USD $)	9 Months Ended	12 Months Ended
	Jun. 30, 2013 Restaurant	Sep. 30, 2012
Impaired Long-Lived Assets Held and Used [Line Items]
Projected variable and semi-variable restaurant operating costs increase percentage	1.50%
Projected fixed restaurant operating costs increase percentage		0.50%
Number of restaurants impaired	0
Goodwill	$ 96,000	$ 0
Minimum [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Historical weighted average menu price increase percentage	1.50%
Projected fixed restaurant operating costs increase percentage	1.50%
Maximum [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Historical weighted average menu price increase percentage	6.00%
Projected fixed restaurant operating costs increase percentage	2.00%
Projected cash flows decline percentage	15.00%
Fiscal Year 2013 [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Projected sales increase percentage	6.00%
Fiscal Year 2014 To 2027 [Member] | Minimum [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Projected sales increase percentage	2.00%
Fiscal Year 2014 To 2027 [Member] | Maximum [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Projected sales increase percentage	3.00%