Earnings Per Share ("EPS") (Tables)

9 Months Ended

Jul. 02, 2017

Earnings Per Share ("EPS")

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

	Three Months Ended				Nine Months Ended
	July 2, 2017		June 26, 2016		July 2, 2017		June 26, 2016
	(in thousands, except per share data)
Net income attributable to Tetra Tech	$	29,983	$	25,694	$	83,407	$	52,678
Weighted-average common shares outstanding – basic	57,184		57,796		57,108		58,483
Effect of dilutive stock options and unvested restricted stock	977		820		1,008		745
Weighted-average common stock outstanding – diluted	58,161		58,616		58,116		59,228
Earnings per share attributable to Tetra Tech:
Basic	$	0.52	$	0.44	$	1.46	$	0.90
Diluted	$	0.52	$	0.44	$	1.44	$	0.89