Earnings Per Share Level 3 (Tables)

9 Months Ended

Sep. 30, 2020

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 earnings per share is presented below:

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income — basic and diluted	$	127,415	$	70,792	$	314,864	$	222,444
Weighted average shares:
Weighted average shares — basic	175,982		182,551		178,238		182,218
Stock options	2,115		3,225		2,184		3,370
Restricted share units	43		67		41		47
Weighted average shares — diluted	$	178,140	$	185,843	$	180,463	$	185,635
Amounts attributable to common stockholders:
Earnings per share:
Basic	$	0.72	$	0.39	$	1.77	$	1.22
Diluted	$	0.72	$	0.38	$	1.74	$	1.20

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

	Three months ended September 30,		Nine months ended September 30,
	2020	2019	2020	2019
	(In thousands)
Antidilutive options	1,739	785	1,572	641
Antidilutive restricted share units	—	—	54	58