Earnings per Common Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table summarizes the computation of basic and diluted earnings per share (in thousands, except per share data):

	Three Months Ended   March 31,
	2014		2013
Earnings per common share—basic
Net income	$	55,312	$	41,660
Less: Preferred stock dividends	—		783
Net income allocable to common shareholders	$	55,312	$	40,877
Weighted-average common shares outstanding—basic	77,370		71,060
Basic earnings per common share	$	0.71	$	0.58
Earnings per common share—diluted
Net income	55,312		$	41,660
Less: Preferred stock dividends	—		783
Add: Interest on convertible debt, net of tax	1,236		1,209
Net income including assumed conversions	$	56,548	$	42,086
Weighted-average common shares outstanding—basic	77,370		71,060
Convertible notes weighted-average shares outstanding	15,000		15,000
Preferred stock weighted-average shares outstanding	—		5,924
Options and restricted stock	802		213
Weighted-average common shares outstanding—diluted	93,172		92,197
Dilutive earnings per common share	$	0.61	$	0.47