CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended			3 Months Ended
	Dec. 31, 2014	Sep. 24, 2014	Sep. 25, 2013	Sep. 26, 2012	Dec. 31, 2013
Other income (expenses)
Net earnings attributable to Biglari Holdings Inc.	$ 91,050	$ 28,804	$ 140,271	$ 21,593
Consolidated
Revenues:
Restaurant operations	215,648	778,155	751,919	733,905	204,442
Insurance premiums and other	3,574	5,715	0	0	0
Media advertising and other	5,228	9,941	0	0	0
Other revenue	0	0	3,903	6,302	0
Total	224,450	793,811	755,822	740,207	204,442
Costs and expenses
Restaurant cost of sales	168,107	602,507	583,003	561,055	157,673
Insurance losses and underwriting expenses	2,668	4,254	0	0	0
Media cost of sales	9,261	19,399	0	0	0
Selling general and administrative	30,847	128,472	126,835	109,547	31,630
Depreciation and amortization	6,828	24,905	25,250	26,424	6,566
Total costs and expenses, net	217,711	779,537	735,088	697,026	195,869
Other income (expenses)
Interest and dividends	8	1,182	8,265	4,000	586
Interest expense	(3,272)	(10,299)	(6,551)	(10,110)	(1,641)
Interest on obligations under leases	(2,577)	(9,720)	(9,829)	(10,073)	(2,612)
Gain on sale of Biglari Capital Corp	0	0	1,597	0	0
Investment gains (including contributions)	0	29,524	182,177	4,200	0
Investment partnership gains	144,702	14,055	20,068	0	23,493
Total other income (expenses)	138,861	24,742	195,727	(11,983)	19,826
Earnings before income taxes	145,600	39,016	216,461	31,198	28,399
Income tax expense	54,550	10,212	74,289	6,453	9,450
Net earnings	91,050	28,804	142,172	24,745	18,949
Less: Earnings attributable to noncontrolling interest	0	0	(1,901)	(3,152)	0
Net earnings attributable to Biglari Holdings Inc.	$ 91,050	$ 28,804	$ 140,271	$ 21,593	$ 18,949
Earnings per share
Basic earnings per common share	$ 48.49	$ 16.85	$ 90.89	$ 13.92	$ 11.05
Diluted earnings per common share	$ 48.45	$ 16.82	$ 90.69	$ 13.88	$ 11.03
Weighted average shares and equivalents
Basic	1,877,723	1,709,621	1,543,370	1,551,613	1,714,727
Diluted	1,879,414	1,712,775	1,546,665	1,555,406	1,718,261