Quarterly Financial Information-Unaudited (Tables)

12 Months Ended

Oct. 02, 2016

		First Quarter		Second Quarter		Third Quarter		Fourth Quarter
		(in thousands, except per share data)
Fiscal Year 2016
Revenue		$	560,708	$	627,384	$	666,869	$	728,508
Operating income			32,930		16,650		39,085		47,190
Net income attributable to Tetra Tech			23,239		3,744		25,694		31,106
Earnings per share attributable to Tetra Tech (1):
Basic		$	0.39	$	0.06	$	0.44	$	0.54


Diluted		$	0.39	$	0.06	$	0.44	$	0.53


Weighted-average common shares outstanding:
Basic			59,058		58,451		57,796		57,309


Diluted			59,793		59,131		58,616		58,192


Fiscal Year 2015
Revenue		$	581,056	$	564,763	$	575,108	$	578,394
Operating income (loss)			36,612		30,398		40,721		(20,047	)
Net income (loss) attributable to Tetra Tech			25,575		19,017		26,206		(31,724	)
Earnings (loss) per share attributable to Tetra Tech (1):
Basic		$	0.41	$	0.31	$	0.44	$	(0.53	)


Diluted		$	0.41	$	0.31	$	0.43	$	(0.53	)


Weighted-average common shares outstanding:
Basic			62,452		61,153		60,207		59,963


Diluted			63,112		61,723		60,792		59,963




(1)	The sum of the quarterly EPS may not add up to the full-year EPS due to rounding.