Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 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:

	Years ended December 31,
	2015			2014		2013
	(In thousands, except per share amounts)
Earnings per share — Basic:
Earnings from continuing operations	$	305,989		220,225		243,275
Less: Distributed and undistributed earnings allocated to nonvested stock	(877		)	(858	)	(2,173	)
Earnings from continuing operations available to common shareholders — Basic	$	305,112		219,367		241,102
Weighted average common shares outstanding— Basic	52,814			52,536		51,617
Earnings from continuing operations per common share — Basic	$	5.78		4.18		4.67
Earnings per share — Diluted:
Earnings from continuing operations	$	305,989		220,225		243,275
Less: Distributed and undistributed earnings allocated to unvested stock	(872		)	(853	)	(2,159	)
Earnings from continuing operations available to common shareholders — Diluted	$	305,117		219,372		241,116
Weighted average common shares outstanding— Basic	52,814			52,536		51,617
Effect of dilutive equity awards	446			500		454
Weighted average common shares outstanding— Diluted	53,260			53,036		52,071
Earnings from continuing operations per common share — Diluted	$	5.73		4.14		4.63
Anti-dilutive equity awards and market-based restrictive stock rights not included above	392			161		785