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Earnings Per Share ("EPS") (Tables) | 3 Months Ended
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Jan. 01, 2017
Earnings Per Share ("EPS") |
Schedule of number of weighted-average shares used to compute basic and diluted EPS |
|  | Three Months Ended |
|  | January 1, 2017 |  | December 27, 2015 |
|  | (in thousands, except per share data) |
Net income attributable to Tetra Tech |  | $ | 26,562 |  | $ | 23,239 |
Weighted-average common shares outstanding - basic |  | 57,099 |  | 59,058 |
Effect of dilutive stock options and unvested restricted stock |  | 1,046 |  | 735 |
Weighted-average common stock outstanding - diluted |  | 58,145 |  | 59,793 |
Earnings per share attributable to Tetra Tech: |  |  |  |  |
Basic |  | $ | 0.47 |  | $ | 0.39 |
Diluted |  | $ | 0.46 |  | $ | 0.39 |

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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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