Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2013

Computations of Basic and Diluted (Loss) Income Per Common Share

	ThreeMonths Ended June 30,						SixMonths Ended June 30,
	2013			2012			2013			2012
Net income, as reported	$	143,983		$	55,676		$	68,373		$	13,876
Participating basic earnings (a)		(2,335	)		(999	)		(1,124	)		(246	)
Basic net income attributed to common shareholders		141,648			54,677			67,249			13,630
Reallocation of participating earnings(a)		12			3			5			—
Dilutednetincome attributedtocommonshareholders	$	141,660		$	54,680		$	67,254		$	13,630
Net income per common share:
Basic	$	0.88		$	0.34		$	0.42		$	0.09
Diluted	$	0.88		$	0.34		$	0.42		$	0.09

(a)Restricted Stock Awards represent participating securities because they participate in nonforfeitable dividends or distributions with common equity owners. Income allocable to participating securities represents the distributed and undistributed earnings attributable to the participating securities. Participating securities, however, do not participate in undistributed net losses.

Basic Weighted Average Common Shares Outstanding to Diluted Weighted Average Common Shares Outstanding

The following table provides a reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding (in thousands):

	Three Months Ended June 30,		Six Months Ended June 30,
	2013	2012	2013	2012
Denominator:
Weighted average common shares outstanding – basic	160,565	159,412	160,346	159,162
Effect of dilutive securities:
Director and employee stock options and SARs	849	618	877	787
Weighted average common shares outstanding – diluted	161,414	160,030	161,223	159,949