Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

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 June 30,					Six months ended June 30,
	2015			2014		2015			2014
	(In thousands, except per share amounts)
Earnings per share — Basic:
Earnings from continuing operations	$	85,917		75,721		$	139,243		124,847
Less: Distributed and undistributed earnings allocated to nonvested stock	(246		)	(302	)	(393		)	(582	)
Earnings from continuing operations available to common shareholders — Basic	$	85,671		75,419		$	138,850		124,265
Weighted average common shares outstanding — Basic	52,827			52,564		52,712			52,612
Earnings from continuing operations per common share — Basic	$	1.62		1.43		$	2.63		2.36
Earnings per share — Diluted:
Earnings from continuing operations	$	85,917		75,721		$	139,243		124,847
Less: Distributed and undistributed earnings allocated to nonvested stock	(244		)	(299	)	(390		)	(578	)
Earnings from continuing operations available to common shareholders — Diluted	$	85,673		75,422		$	138,853		124,269
Weighted average common shares outstanding — Basic	52,827			52,564		52,712			52,612
Effect of dilutive equity awards	468			482		492			472
Weighted average common shares outstanding — Diluted	53,295			53,046		53,204			53,084
Earnings from continuing operations per common share — Diluted	$	1.61		1.42		$	2.61		2.34
Anti-dilutive equity awards not included above	363			412		273			314