Earnings Per Share

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Earnings Per Share

4. Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the three months ended March 31, 2022 and 2021 (in thousands, except per share amounts):

	Three Months Ended March 31,
	2022		2021
Numerator:
Income from continuing operations attributable to    Acadia Healthcare Company, Inc.	$	60,837	$	22,358
Loss from discontinued operations		—		(12,641	)
Net income attributable to Acadia Healthcare     Company, Inc.	$	60,837	$	9,717
Denominator:
Weighted average shares outstanding for basic    earnings per share		89,258		88,242
Effects of dilutive instruments		1,754		1,699
Shares used in computing diluted earnings per    common share		91,012		89,941
Basic earnings per share attributable to Acadia    Healthcare Company, Inc. stockholders:
Income from continuing operations attributable to     Acadia Healthcare Company, Inc.	$	0.68	$	0.25
Loss from discontinued operations		—		(0.14	)
Net income attributable to Acadia Healthcare     Company, Inc.	$	0.68	$	0.11
Diluted earnings per share attributable to Acadia    Healthcare Company, Inc. stockholders:
Income from continuing operations attributable to     Acadia Healthcare Company, Inc.	$	0.67	$	0.25
Loss from discontinued operations		—		(0.14	)
Net income attributable to Acadia Healthcare     Company, Inc.	$	0.67	$	0.11

Approximately 0.7 million shares of common stock issuable upon exercise of outstanding stock option awards were excluded from the calculation of diluted earnings per share for both the three months ended March 31, 2022 and 2021, because their effect would have been anti-dilutive.