Earnings per Share Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The table below presents a reconciliation between basic and diluted weighted average shares outstanding, net income available to common shareholders and basic and diluted income per share for the three and nine months ended September 30, 2013 and 2012:

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
(In thousands, except per share amounts)	2013			2012		2013			2012
NUMERATOR
Net income	$	125,311		$	8,314	$	137,162		$	8,332
Preferred stock dividends	(1,219		)	—		(2,438		)	—
Excess of fair value over book value of preferred shares redeemed	—			—		(2,190		)	—
Interest on 3.25% convertible senior subordinated notes due 2017	611			128		1,833			—
Interest on 3.00% convertible senior subordinated notes due 2018	824			—		1,851			—
Net income to common shareholders	125,527			8,442		136,218			8,332
DENOMINATOR
Basic weighted average shares outstanding	24,358			19,434		23,642			19,014
Effect of dilutive securities:
Stock option awards	183			187		246			92
Deferred compensation awards	119			127		111			132
3.25% convertible senior subordinated notes due 2017	2,416			525		2,416			—
3.00% convertible senior subordinated notes due 2018	2,669			—		1,995			—
Diluted weighted average shares outstanding - adjusted for assumed conversions	29,745			20,273		28,410			19,238
Earnings per common share
Basic	$	5.09		$	0.43	$	5.61		$	0.44
Diluted	$	4.22		$	0.42	$	4.79		$	0.43
Anti-dilutive equity awards not included in the calculation of diluted earnings per common share	998			695		951			1,003