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Note 3 - Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2021

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

The calculation of basic and diluted net income per share is as follows.


	Three Months Ended March 31,
(In thousands, except per-share amounts)	2021		2020
Net income—basic and diluted	$	125,608	$	140,461

Average common shares outstanding—basic	193,439		200,161
Dilutive effect of share-based compensation arrangements (1)	1,764		1,658
Adjusted average common shares outstanding—diluted	195,203		201,819

Net income per share:

Basic	$	0.65	$	0.70
Diluted	$	0.64	$	0.70

(1)The following number of shares of our common stock equivalents issued under our share-based compensation arrangements are not included in the calculation of diluted net income per share because they are anti-dilutive.


	Three Months Ended March 31,
(In thousands)	2021	2020
Shares of common stock equivalents	—	132