Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Reconciliation between Basic and Diluted Weighted Average Shares Outstanding

The following is a reconciliation between basic and diluted weighted average shares outstanding:

	For the three months ended March 31,
(in thousands, except per share data)	2021			2020
Net income	$	199,744		$	152,400
Net income attributable to unvested awarded performance stock		(4,966	)		(5,192	)
Net income attributable to common shares	$	194,778		$	147,208
Weighted average number of common shares outstanding – basic		282,621			282,397
Less unvested awarded performance stock included in weighted    average number of common shares outstanding – basic		(7,027	)		(9,621	)
Weighted average number of common shares outstanding for basic    net income per common share		275,594			272,776
Dilutive effect of stock options		1,361			2,085
Weighted average number of shares outstanding – diluted		276,955			274,861
Net income per share:
Basic	$	0.71		$	0.54
Diluted	$	0.70		$	0.54