Consolidated Statements Of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Beef processing services	$ 1,559,023	$ 1,631,371
Commissions	145,822	155,824
Principal transactions	416,501	(102,483)
Investment banking	408,021	230,930
Interest income	223,630	232,016
Net realized securities gains	460	728
Other	326,912	58,923
Total revenues	3,080,369	2,207,309
Interest expense	27,384	22,318
Net revenues	2,867,982	2,015,106
Expenses:
Cost of sales	1,533,094	1,648,052
Compensation and benefits	504,183	389,407
Floor brokerage and clearing fees	45,858	40,479
Interest	27,384	22,318
Depreciation and amortization	49,510	49,610
Selling, general and other expenses	181,282	187,255
Total expenses	2,341,311	2,337,121
Income (loss) before income taxes and income (loss) related to associated companies	526,671	(322,015)
Income (loss) related to associated companies	(128,574)	20,052
Income (loss) before income taxes	398,097	(301,963)
Income tax provision (benefit)	104,174	(83,361)
Net income (loss)	293,923	(218,602)
Net loss attributable to the noncontrolling interests	523	1,052
Net income attributable to the redeemable noncontrolling interests	(12,022)	(4,314)
Preferred stock dividends	(1,016)	(1,016)
Net income (loss) attributable to Leucadia National Corporation common shareholders	$ 281,408	$ (222,880)
Basic earnings (loss) per common share attributable to Leucadia National Corporation common shareholders:
Net income (loss) (in dollars per share)	$ 0.76	$ (0.60)
Diluted earnings (loss) per common share attributable to Leucadia National Corporation common shareholders:
Net income (loss) (in dollars per share)	$ 0.75	$ (0.60)
Investment Banking And Capital Markets Segment
Revenues:
Interest expense	$ 212,387	$ 192,203
Expenses:
Interest	$ 212,387	$ 192,203