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Mergers and Acquisitions (Tables) | 12 Months Ended
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Oct. 01, 2017
Business Combinations [Abstract] |
Summary of estimated fair values of assets acquired and liabilities assumed | The following table summarizes the estimated fair values of assets acquired and liabilities assumed as of the respective acquisition dates for our acquisitions completed in fiscal 2016 (in thousands):
Accounts receivable | $ | 71,515 |
Other current assets | 18,869 |
Property and equipment | 14,218 |
Goodwill | 108,323 |
Backlog and trade name intangible assets | 29,445 |
Other assets | 747 |
Current liabilities | (78,311 | )
Borrowings | (65,086 | )
Other long-term liabilities | (4,885 | )
Net assets acquired | $ | 94,835 |
Summary of consolidated pro forma operating results | The table below presents summarized unaudited consolidated pro forma operating results including the related acquisition, integration and debt pre-payment charges, assuming we had acquired Coffey and INDUS at the beginning of fiscal 2016. These pro-forma operating results are presented for illustrative purposes only and are not indicative of the operating results that would have been achieved had the related events occurred at the beginning of fiscal 2016.
| Pro-Forma
| Fiscal Year Ended
| October 1, 2017 |  | October 2, 2016
| (in thousands, except per share data)
Revenue | $ | 2,753,360 |  |  | $ | 2,714,658 |
Operating income | 183,342 |  |  | 152,676 |
Net income attributable to Tetra Tech | 117,874 |  |  | 98,871 |
Earnings per share attributable to Tetra Tech |  |  |  |  |
Basic | $ | 2.07 |  |  | $ | 1.70 |
Diluted | $ | 2.04 |  |  | $ | 1.68 |
Summary of acquisition and integration expenses | Acquisition and integration expenses in the accompanying consolidated statements of income are comprised of the following:
| Fiscal Year Ended October 2, 2016
| (in thousands)
Severance including change in control payments | $ | 10,917 |
Professional services | 5,685 |
Real estate-related | 2,946 |
Total | $ | 19,548 |
Summary of changes in the carrying value of estimated contingent earn-out liabilities | The following table summarizes the changes in the carrying value of estimated contingent earn-out liabilities:
| Fiscal Year Ended
| October 1, 2017 |  | October 2, 2016 |  | September 27, 2015
| (in thousands)
Beginning balance (at fair value) | $ | 8,757 |  |  | $ | 4,169 |  |  | $ | 7,030 |
Estimated earn-out liabilities for acquisitions during the fiscal year | 1,604 |  |  | 4,745 |  |  | 4,100 |
Increases due to re-measurement of fair value reported in interest expense | 260 |  |  | 271 |  |  | 136 |
Net increase (decrease) due to re-measurement of fair value reported as losses (gains) in operating income | (6,923 | ) |  | 2,823 |  |  | (3,113 | )
Foreign exchange impact | 59 |  |  | — |  |  | (785 | )
Earn-out payments: |  |  |  |  |  |  |  |
Reported as cash used in operating activities | — |  |  | — |  |  | — |
Reported as cash used in financing activities | (1,319 | ) |  | (3,251 | ) |  | (3,199 | )
Ending balance (at fair value) | $ | 2,438 |  |  | $ | 8,757 |  |  | $ | 4,169 |

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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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