Note 21. Schedule Of Net Revenue by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended						4 Months Ended		3 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	Dec. 31, 2014	Dec. 31, 2013	Sep. 24, 2014	Sep. 25, 2013	Sep. 26, 2012
Net Revenue	$ 193,669	$ 193,229	$ 172,339	$ 179,499	$ 184,602	$ 166,511	$ 234,584	$ 225,210
Consolidated
Net Revenue									224,450	204,442	793,811	755,822	740,207
Restaurant Operations - SteakNShake
Net Revenue									212,369	201,483	765,599	737,090	718,010
Restaurant Operations - Western
Net Revenue									3,279	2,959	12,556	14,829	15,895
Operating Businesses
Net Revenue									224,450	204,442	793,811	751,919	733,905
Operating Businesses | Restaurant
Net Revenue									215,648	204,442	778,155	751,919	733,905
Operating Businesses | Maxim
Net Revenue									5,228	0	9,941	0	0
Operating Businesses | First Guard
Net Revenue									3,574	0	5,715	0	0
Operating Businesses | Other
Net Revenue											$ 0	$ 3,903	$ 6,302