Earnings Per Share Level 3 (Tables)

12 Months Ended

Dec. 31, 2016

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:

	2016		2015			2014
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Income from continuing operations — basic	$	177,038	$	234,162		$	170,283
After tax interest on convertible debt	43		50			51
Income from continuing operations — diluted	$	177,081	$	234,212		$	170,334
(Loss) income from discontinued operations, net of tax	$	—	$	(390	)	$	2,186
Net income — basic	$	177,038	$	233,772		$	172,469
After tax interest on convertible debt	43		50			51
Net income — diluted	$	177,081	$	233,822		$	172,520
Weighted average shares:
Weighted average shares — basic	193,086		200,356			210,741
Stock options	2,823		3,973			3,338
Restricted share units	12		—			—
Convertible debt	121		121			121
Weighted average shares — diluted	196,042		204,450			214,200
Amounts attributable to common stockholders:
Income from continuing operations per share:
Basic	$	0.92	$	1.17		$	0.81
Diluted	$	0.90	$	1.14		$	0.80
Income from discontinued operations per share:
Basic	$	—	$	—		$	0.01
Diluted	$	—	$	—		$	0.01
Net income per share:
Basic	$	0.92	$	1.17		$	0.82
Diluted	$	0.90	$	1.14		$	0.81

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	2016	2015	2014
	(In thousands)
Antidilutive options	982	3	1,491