Earnings Per Share Level 3 (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

A reconciliation of the numerators and denominators of basic and diluted EPS for the three years ended December 31 is presented below:

	2015			2014		2013
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Income from continuing operations — basic	$	234,162		$	170,283	$	146,926
After tax interest on convertible debt	50			51		51
Income from continuing operations — diluted	$	234,212		$	170,334	$	146,977
(Loss) income from discontinued operations, net of tax	$	(390	)	$	2,186	$	406
Net income — basic	$	233,772		$	172,469	$	147,332
After tax interest on convertible debt	50			51		51
Net income — diluted	$	233,822		$	172,520	$	147,383
Weighted average shares:
Weighted average shares — basic	200,356			210,741		211,811
Stock options	3,973			3,338		4,082
Convertible debt	121			121		121
Weighted average shares — diluted	204,450			214,200		216,014
Amounts attributable to common stockholders:
Income from continuing operations per share:
Basic	$	1.17		$	0.81	$	0.70
Diluted	$	1.14		$	0.80	$	0.68
Income from discontinued operations per share:
Basic	$	—		$	0.01	$	—
Diluted	$	—		$	0.01	$	—
Net income per share:
Basic	$	1.17		$	0.82	$	0.70
Diluted	$	1.14		$	0.81	$	0.68