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Earnings Per Share ("EPS") (Tables) | 6 Months Ended
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Mar. 29, 2015
Earnings Per Share ("EPS") |
Schedule of number of weighted-average shares used to compute basic and diluted EPS |
|  | Three Months Ended |  | Six Months Ended |
|  | March 29, 2015 |  | March 30, 2014 |  | March 29, 2015 |  | March 30, 2014 |
|  | (in thousands, except per share data) |
Net income attributable to Tetra Tech |  | $ | 19,017 |  | $ | 31,709 |  | $ | 44,592 |  | $ | 59,023 |
Weighted-average common shares outstanding – basic |  | 61,153 |  | 64,835 |  | 61,816 |  | 64,670 |
Effect of dilutive stock options and unvested restricted stock |  | 570 |  | 875 |  | 615 |  | 847 |
Weighted-average common stock outstanding – diluted |  | 61,723 |  | 65,710 |  | 62,431 |  | 65,517 |
Earnings per share attributable to Tetra Tech: |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.31 |  | $ | 0.49 |  | $ | 0.72 |  | $ | 0.91 |
Diluted |  | $ | 0.31 |  | $ | 0.48 |  | $ | 0.71 |  | $ | 0.90 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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