Earnings per Share ("EPS") (Tables)

9 Months Ended

Jul. 03, 2022

Earnings Per Share [Abstract]

Schedule of number of weighted-average shares used to compute basic and diluted EPS

The following table presents the number of weighted-average shares used to compute basic and diluted EPS:

	Three Months Ended				Nine Months Ended
	July 3, 2022		June 27, 2021		July 3, 2022		June 27, 2021
	(in thousands, except per share data)
Net income attributable to Tetra Tech	$	58,650	$	51,903	$	180,179	$	149,856
Weighted-average common shares outstanding – basic	53,507		54,117		53,777		54,095
Effect of dilutive stock options and unvested restricted stock	499		549		551		603
Weighted-average common shares outstanding – diluted	54,006		54,666		54,328		54,698
Earnings per share attributable to Tetra Tech:
Basic	$	1.10	$	0.96	$	3.35	$	2.77
Diluted	$	1.09	$	0.95	$	3.32	$	2.74