Earnings Per Share (Tables)

12 Months Ended

Sep. 28, 2014

Earnings Per Share

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

	Fiscal Year Ended
	September 28, 2014		September 29, 2013			September 30, 2012
	(in thousands, except per share data)
Net income (loss) attributable to Tetra Tech	$	108,266	$	(2,141	)	$	104,380
Weighted-average common shares outstanding – basic		64,379		64,544			63,217
Effect of diluted stock options and unvested restricted stock		767		–			717
Weighted-average common stock outstanding – diluted		65,146		64,544			63,934
Net income (loss) attributable to Tetra Tech per share:
Basic	$	1.68	$	(0.03	)	$	1.65
Diluted	$	1.66	$	(0.03	)	$	1.63