Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2013

Basic and Diluted Earnings Per Common Share

The following table presents a reconciliation of net income available to common shareholders, net earnings allocated to common stock and the number of shares used in the calculation of basic and diluted earnings per common share.

	Three Months Ended March 31,
	2013		2012
Net income	$	55,188	$	61,033
Less: Preferred stock dividends and accretion		137		—
Net income available to common shareholders		55,051		61,033
Less: Earnings allocated to participating securities		197		190
Net earnings allocated to common stock	$	54,854	$	60,843
Distributed earnings allocated to common stock	$	28,675	$	28,152
Undistributed earnings allocated to common stock		26,179		32,691
Net earnings allocated to common stock	$	54,854	$	60,843
Weighted-average shares outstanding for basic earnings per common share		60,592,567		61,200,627
Dilutive effect of stock compensation		581,205		332,674
Weighted-average shares outstanding for diluted earnings per common share		61,173,772		61,533,301