Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2025

Earnings Per Share [Abstract]

Number of Shares Outstanding for Calculation of Earnings Per Share

The computational components of basic and diluted earnings per share for the three months ended March 31, 2025 and 2024 are as follows:

	Three months ended March 31,
(in thousands)	2025		2024
Numerator (for basic and diluted earnings per share)
Net income attributable to CECO Environmental Corp.	$	35,984	$	1,508
Denominator
Basic weighted-average shares outstanding		35,028		34,846
Common stock equivalents arising from stock options and restricted stock awards		1,661		1,331
Diluted weighted-average shares outstanding		36,689		36,177