Earnings Per Share (Tables)

3 Months Ended

6 Months Ended

Jun. 30, 2018

Jun. 30, 2018

Earnings Per Share [Abstract]

Reconciliation Of The Numerators And The Denominators Of The Basic And Diluted Per Share

A reconciliation of the numerators and the denominators of the basic and diluted per share computations are as follows:

	Three Months Ended
	2018					2017
	Earnings		Shares	Per-Share		Earnings		Shares	Per-Share
(In thousands, except per share data)	(Numerator)		(Denominator)	Amount		(Numerator)		(Denominator)	Amount
Basic earnings per share:
Income available to common shareholders	$	169,357	330,206	$	0.51	$	179,683	331,056	$	0.54
Effect of dilutive securities:
Stock options and non-vested shares	—		3,356			—		6,842
Diluted earnings per share:
Income available to common shareholders including assumed conversions	$	169,357	333,562	$	0.51	$	179,683	337,898	$	0.53

	Six Months Ended
	2018					2017
	Earnings		Shares	Per-Share		Earnings		Shares	Per-Share
(In thousands, except per share data)	(Numerator)		(Denominator)	Amount		(Numerator)		(Denominator)	Amount
Basic earnings per share:
Income available to common shareholders	$	329,358	331,479	$	0.99	$	352,896	330,607	$	1.07
Effect of dilutive securities:
Stock options and non-vested shares	—		3,744			—		6,509
Diluted earnings per share:
Income available to common shareholders including assumed conversions	$	329,358	335,223	$	0.98	$	352,896	337,116	$	1.05