Note 21. Schedule Of Net Revenue by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	Sep. 24, 2014	Jul. 02, 2014	Dec. 18, 2013	Sep. 25, 2013	Jul. 03, 2013	Dec. 19, 2012	Apr. 09, 2014	Apr. 10, 2013	Sep. 24, 2014 Consolidated	Sep. 25, 2013 Consolidated	Sep. 26, 2012 Consolidated	Sep. 24, 2014 Restaurant Operations - SteakNShake	Sep. 25, 2013 Restaurant Operations - SteakNShake	Sep. 26, 2012 Restaurant Operations - SteakNShake	Sep. 24, 2014 Restaurant Operations - Western	Sep. 25, 2013 Restaurant Operations - Western	Sep. 26, 2012 Restaurant Operations - Western	Sep. 24, 2014 Operating Businesses	Sep. 25, 2013 Operating Businesses	Sep. 26, 2012 Operating Businesses	Sep. 24, 2014 Operating Businesses Restaurant	Sep. 25, 2013 Operating Businesses Restaurant	Sep. 26, 2012 Operating Businesses Restaurant	Sep. 24, 2014 Operating Businesses Maxim	Sep. 25, 2013 Operating Businesses Maxim	Sep. 26, 2012 Operating Businesses Maxim	Sep. 24, 2014 Operating Businesses First Guard	Sep. 25, 2013 Operating Businesses First Guard	Sep. 26, 2012 Operating Businesses First Guard	Sep. 24, 2014 Operating Businesses Other	Sep. 25, 2013 Operating Businesses Other	Sep. 26, 2012 Operating Businesses Other
Net Revenue	$ 193,669	$ 193,229	$ 172,339	$ 179,499	$ 184,602	$ 166,511	$ 234,574	$ 225,210	$ 793,811	$ 755,822	$ 740,207	$ 765,599	$ 737,090	$ 718,010	$ 12,556	$ 14,829	$ 15,895	$ 793,811	$ 751,919	$ 733,905	$ 778,155	$ 751,919	$ 733,905	$ 9,941	$ 0	$ 0	$ 5,715	$ 0	$ 0	$ 0	$ 3,903	$ 6,302