Earnings Per Share Level 3 (Tables)

6 Months Ended

Jun. 30, 2021

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 is presented below:

	Three months ended June 30,				Six months ended June 30,
	2021		2020		2021		2020
	(In thousands, except per share amounts)
Amounts attributable to common stockholders:
Net income — basic and diluted	$	157,705	$	105,508	$	386,584	$	187,449
Weighted average shares:
Weighted average shares — basic	168,450		177,902		169,180		179,378
Stock options	2,363		1,740		2,382		2,221
Restricted share units	50		24		54		40
Weighted average shares — diluted	170,863		179,666		171,616		181,639
Amounts attributable to common stockholders:
Earnings per share:
Basic	$	0.94	$	0.59	$	2.29	$	1.04
Diluted	$	0.92	$	0.59	$	2.25	$	1.03

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

	Three months ended June 30,		Six months ended June 30,
	2021	2020	2021	2020
	(In thousands)
Antidilutive options	1,612	2,706	1,445	1,486
Antidilutive restricted share units	—	67	—	49