Earnings per Share (Tables)

9 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

The following table sets forth the computation of basic and diluted earnings from continuing operations per common share (in thousands, except per share amounts):

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
Numerator:
Numerator for basic and diluted earnings per common share—Net income attributable to Evoqua Water Technologies Corp.	$	13,155	$	21,384	$	24,624	$	82,341
Denominator:
Denominator for basic net income per common share—weighted average shares	119,015		116,621		119,015		116,621
Effect of dilutive securities:
Share‑based compensation	3,245		3,595		3,312		4,432
Denominator for diluted net income per common share—adjusted weighted average shares	122,260		120,216		122,327		121,053
Basic earnings attributable to Evoqua Water Technologies Corp. per common share	$	0.11	$	0.18	$	0.21	$	0.71
Diluted earnings attributable to Evoqua Water Technologies Corp. per common share	$	0.11	$	0.18	$	0.20	$	0.68