Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Beef processing services	$ 1,631,371	$ 1,852,311
Commissions	155,824	166,922
Principal transactions	(102,483)	729,235
Investment banking	230,930	250,995
Interest income	232,016	237,599
Net realized securities gains	728	15,089
Other	58,923	124,370
Total revenues	2,207,309	3,376,521
Interest expense	22,318	31,422
Net revenues	2,015,106	3,184,683
Expenses:
Cost of sales	1,648,052	1,922,223
Compensation and benefits	389,407	410,852
Floor brokerage and clearing fees	40,479	55,080
Interest	22,318	31,422
Depreciation and amortization	49,610	52,440
Selling, general and other expenses	187,255	166,010
Total expenses	2,337,121	2,638,027
Income (loss) before income taxes and income related to associated companies	(322,015)	546,656
Income related to associated companies	20,052	40,451
Income (loss) before income taxes	(301,963)	587,107
Income tax provision (benefit)	(83,361)	212,678
Net income (loss)	(218,602)	374,429
Net loss attributable to the noncontrolling interests	1,052	234
Net (income) loss attributable to the redeemable noncontrolling interests	(4,314)	7,112
Preferred stock dividends	(1,016)	(1,016)
Net income (loss) attributable to Leucadia National Corporation common shareholders	$ (222,880)	$ 380,759
Basic earnings (loss) per common share attributable to Leucadia National Corporation common shareholders:
Net income (loss) (in USD per share)	$ (0.60)	$ 1.00
Diluted earnings (loss) per common share attributable to Leucadia National Corporation common shareholders:
Net income (loss) (in USD per share)	$ (0.60)	$ 0.99
Amounts attributable to Leucadia National Corporation common shareholders:
Net income (loss) attributable to Leucadia National Corporation common shareholders	$ (222,880)	$ 380,759
Investment Banking And Capital Markets Segment [Member]
Revenues:
Interest expense	192,203	191,838
Expenses:
Interest	$ 192,203	$ 191,838