Basic earnings per share of common stock is computed by dividing the net income attributable to The GEO Group, Inc. by the weighted average number of outstanding shares of common stock. The calculation of diluted earnings per share is similar to that of basic earnings per share except that the denominator includes dilutive common stock equivalents such as stock options and shares of restricted stock. Basic and diluted earnings per share were calculated for the three months ended March 31, 2020 and 2019 as follows (in thousands, except per share data):

	Three Months Ended
	March 31, 2020		March 31, 2019
Net income	$	25,121	$	40,649
Net loss attributable to noncontrolling interests		60		56
Net income attributable to The GEO Group, Inc.		25,181		40,705
Basic earnings per share attributable to The GEO Group, Inc.:
Weighted average shares outstanding		119,394		118,774
Per share amount	$	0.21	$	0.34
Diluted earnings per share attributable to The GEO Group, Inc.:
Weighted average shares outstanding		119,394		118,774
Dilutive effect of equity incentive plans		539		722
Weighted average shares assuming dilution		119,933		119,496
Per share amount	$	0.21	$	0.34

For the three months ended March 31, 2020, 1,626,201 weighted average shares of common stock underlying options were excluded from the computation of diluted earnings per share ("EPS") because the effect would be anti-dilutive. There were 967,784 common stock equivalents from restricted shares that were anti-dilutive.

For the three months ended March 31, 2019, 1,191,206 weighted average shares of common stock underlying options were excluded from the computation of diluted EPS because the effect would be anti-dilutive. There were 759,382 common stock equivalents from restricted shares that were anti-dilutive.