Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 28, 2013
Current [Abstract]
Federal	$ 23	$ 10	$ 26
State and local	677	757	581
Total current taxes	700	767	607
Deferred [Abstract]
Deferred	0	0	0
Provision for income taxes - current and deferred	$ 700	$ 767	$ 607