Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

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

	Three months ended June 30,					Six months ended June 30,
	2012			2011		2012		2011
	(In thousands, except per share amounts)
Earnings per share — Basic:
Earnings from continuing operations	$	46,767		40,914		81,643		66,771
Less: Distributed and undistributed earnings allocated to nonvested stock	(590		)	(649	)	(1,062	)	(1,054	)
Earnings from continuing operations available to common shareholders — Basic	$	46,177		40,265		80,581		65,717
Weighted average common shares outstanding — Basic	50,433			50,546		50,459		50,586
Earnings from continuing operations per common share — Basic	$	0.92		0.80		1.60		1.30
Earnings per share — Diluted:
Earnings from continuing operations	$	46,767		40,914		81,643		66,771
Less: Distributed and undistributed earnings allocated to nonvested stock	(587		)	(645	)	(1,057	)	(1,049	)
Earnings from continuing operations available to common shareholders — Diluted	$	46,180		40,269		80,586		65,722
Weighted average common shares outstanding — Basic	50,433			50,546		50,459		50,586
Effect of dilutive equity awards	264			457		351		421
Weighted average common shares outstanding — Diluted	50,697			51,003		50,810		51,007
Earnings from continuing operations per common share — Diluted	$	0.91		0.79		1.59		1.29
Anti-dilutive equity awards and market-based restricted stock rights not included above	2,414			1,224		2,044		1,333