Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings per common share from continuing operations

The following table presents the calculation of basic and diluted earnings per common share from continuing operations:

	Three months ended September 30,					Nine months ended September 30,
	2013			2012		2013			2012
	(In thousands, except per share amounts)
Earnings per share — Basic:
Earnings from continuing operations	$	73,875		64,311		$	177,252		145,954
Less: Distributed and undistributed earnings allocated to nonvested stock	(643		)	(814	)	(1,636		)	(1,891	)
Earnings from continuing operations available to common shareholders — Basic	$	73,232		63,497		$	175,616		144,063
Weighted average common shares outstanding — Basic	51,788			50,381		51,397			50,433
Earnings from continuing operations per common share — Basic	$	1.41		1.26		$	3.42		2.86
Earnings per share — Diluted:
Earnings from continuing operations	$	73,875		64,311		$	177,252		145,954
Less: Distributed and undistributed earnings allocated to nonvested stock	(639		)	(812	)	(1,625		)	(1,883	)
Earnings from continuing operations available to common shareholders — Diluted	$	73,236		63,499		$	175,627		144,071
Weighted average common shares outstanding — Basic	51,788			50,381		51,397			50,433
Effect of dilutive equity awards	440			172		451			292
Weighted average common shares outstanding — Diluted	52,228			50,553		51,848			50,725
Earnings from continuing operations per common share — Diluted	$	1.40		1.26		$	3.39		2.84
Anti-dilutive equity awards not included above	584			2,613		863			2,234