Earnings Per Share of Common Stock (Tables)

9 Months Ended

Sep. 30, 2014

Reconciliation of Earnings and Share Data used in Basic and Diluted Earnings per Share Computations

The following is a reconciliation of the earnings and share data used in the basic and diluted earnings per share computations for the three and nine months ended September 30, 2014 and 2013:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
	(in millions, except share amounts)
Net earnings available to Alleghany stockholders	$	186.3	$	113.2	$	540.2	$	423.2
Effect of dilutive securities		—		—		—		—
Income available to common stockholders for diluted earnings per share	$	186.3	$	113.2	$	540.2	$	423.2
Weighted average common shares outstanding applicable to basic earnings per share		16,343,904		16,766,192		16,496,537		16,792,733
Effect of dilutive securities		—		—		—		—
Adjusted weighted average common shares outstanding applicable to diluted earnings per share		16,343,904		16,766,192		16,496,537		16,792,733