Earnings Per Share (Tables)

12 Months Ended

Sep. 29, 2013

Earnings Per Share

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

	Fiscal Year Ended
	September 29, 2013			September 30, 2012		October 2, 2011
	(in thousands, except per share data)
Net income (loss) attributable to Tetra Tech	$	(2,141	)	$	104,380	$	90,039
Weighted-average common shares outstanding – basic		64,544			63,217		62,053
Effect of diluted stock options and unvested restricted stock		–			717		722
Weighted-average common stock outstanding – diluted		64,544			63,934		62,775
Net income (loss) attributable to Tetra Tech per share:
Basic	$	(0.03	)	$	1.65	$	1.45
Diluted	$	(0.03	)	$	1.63	$	1.43