Earnings (Loss) Per Common Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings (Loss) Per Common Share [Abstract]

Earnings Per Share Computation

	2011		2010		2009
Numerator for earnings (loss) per share:
Net income attributable to Leucadia National
Corporation common shareholders for basic
earnings per share	$	25,231	$	1,939,312	$	550,280
Interest on 3¾% Convertible Notes		-		3,707		7,199
Net income attributable to Leucadia National
Corporation common shareholders for diluted
earnings per share	$	25,231	$	1,943,019	$	557,479
Denominator for earnings (loss) per share:
Denominator for basic earnings (loss) per share –
weighted-average shares		244,425		243,379		241,437
Stock options		73		42		2
Warrants		75		–		–
3¾% Convertible Notes		-		4,251		6,410
Denominator for diluted earnings (loss) per share		244,573		247,672		247,849