Earnings per Share

12 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Earnings per Share

17.    Earnings per Share

The calculations of basic and diluted net income (loss) per share and basic and diluted weighted average shares outstanding are as follows for the fiscal years ended September 30, 2020, 2019 and 2018 (in thousands, except per share data):

	Year Ended September 30,
	2020		2019		2018
Income from continuing operations	$	65,035	$	9,554	$	67,717
Income (loss) from discontinued operations, net of tax		(182)		427,862		48,747
Net income		64,853		437,416		116,464
Net loss attributable to noncontrolling interest		—		—		111
Net income attributable to Brooks Automation, Inc.	$	64,853	$	437,416	$	116,575
Weighted average common shares outstanding used in computing basic earnings per share		73,557		71,992		70,489
Dilutive restricted stock units		293		394		448
Weighted average common shares outstanding used in computing diluted earnings per share		73,850		72,386		70,937
Basic net income per share attributable to Brooks Automation, Inc. common stockholders:
Income from continuing operations	$	0.88	$	0.13	$	0.96
Income (loss) from discontinued operations, net of tax		(0.00)		5.95		0.69
Basic net income per share attributable to Brooks Automation, Inc.	$	0.88	$	6.08	$	1.65
Diluted net income per share attributable to Brooks Automation, Inc. common stockholders:
Income from continuing operations	$	0.88	$	0.13	$	0.95
Income (loss) from discontinued operations, net of tax		(0.00)		5.91		0.69
Diluted net income per share attributable to Brooks Automation, Inc. common stockholders	$	0.88	$	6.04	$	1.64
Dividend declared per share	$	0.40	$	0.40	$	0.40

Restricted stock units of 16,695, 9,439 and 9,927, respectively, during fiscal year 2020, 2019 and 2018 were excluded from the computation of diluted earnings per share as their effect would be anti-dilutive based on the treasury stock method.