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v3.6.0.2

Mergers and Acquisitions (Details) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 01, 2017 employee | Jan. 18, 2016 USD ($) employee | Jan. 01, 2017 USD ($) $ / shares | Mar. 27, 2016 USD ($) | Dec. 27, 2015 USD ($) $ / shares | Oct. 02, 2016 USD ($) | Sep. 27, 2015 USD ($)
Mergers and Acquisitions |  |  |  |  |  |  |
Contingent earn-out liability |  |  | $ 8,900 |  |  |  |
Aggregate maximum of contingent consideration |  |  | 14,500 |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Goodwill |  |  | 709,739 |  |  | $ 717,988 |
Pro-forma operating results |  |  |  |  |  |  |
Increase (decrease) in contingent consideration |  |  | $ 0 |  | $ 1,000 |  |
Gain (loss) on change in contingent consideration |  |  |  |  | (1,000) |  |
Earn-out liability |  |  |  |  |  |  | $ 0
Minimum |  |  |  |  |  |  |
Mergers and Acquisitions |  |  |  |  |  |  |
Earn-out period for operating income projection |  |  | 2 years |  |  |  |
Maximum |  |  |  |  |  |  |
Mergers and Acquisitions |  |  |  |  |  |  |
Earn-out period for operating income projection |  |  | 3 years |  |  |  |
Coffey |  |  |  |  |  |  |
Mergers and Acquisitions |  |  |  |  |  |  |
Number of employees | employee |  | 3,300 |  |  |  |  |
Aggregate fair value of purchase price |  | $ 76,100 |  |  |  |  |
Assumed debt |  | 65,100 |  |  |  |  |
Secured bank debt assumed |  | 37,100 |  |  |  |  |
Unsecured corporate bonds assumed |  | 28,000 |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Borrowings |  | $ (65,100) |  |  |  |  |
INDUS |  |  |  |  |  |  |
Mergers and Acquisitions |  |  |  |  |  |  |
Aggregate fair value of purchase price |  |  |  | $ 18,700 |  |  |
Cash paid to the sellers |  |  |  | 14,000 |  |  |
Contingent earn-out liability |  |  |  | 4,700 |  |  |
Aggregate maximum of contingent consideration |  |  |  | $ 8,000 |  |  |
Earn-out period for operating income projection |  |  |  | 2 years |  |  |
Coffey and INDUS |  |  |  |  |  |  |
Mergers and Acquisitions |  |  |  |  |  |  |
Assumed debt |  |  |  |  |  | 65,086 |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |
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 |
Pro-forma operating results |  |  |  |  |  |  |
Revenue |  |  | $ 668,851 |  | 671,669 |  |
Operating income |  |  | 39,855 |  | 14,238 |  |
Net income attributable to Tetra Tech |  |  | $ 26,562 |  | $ 3,016 |  |
Earnings per share attributable to Tetra Tech, Basic (in dollars per share) | $ / shares |  |  | $ 0.47 |  | $ 0.05 |  |
Earnings per share attributable to Tetra Tech, Diluted (in dollars per share) | $ / shares |  |  | $ 0.46 |  | $ 0.05 |  |
Revenue Contributed |  |  | $ 102,300 |  |  |  |
Operating income |  |  | 7,400 |  |  |  |
Amortization of intangible assets |  |  | $ 2,600 |  |  |  |
Coffey and INDUS | Minimum | Backlog and customer relationship |  |  |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Useful life of intangible assets |  |  | 1 year |  |  |  |
Coffey and INDUS | Minimum | Trade names |  |  |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Useful life of intangible assets |  |  | 3 years |  |  |  |
Coffey and INDUS | Maximum | Backlog and customer relationship |  |  |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Useful life of intangible assets |  |  | 5 years |  |  |  |
Coffey and INDUS | Maximum | Trade names |  |  |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Useful life of intangible assets |  |  | 5 years |  |  |  |
Coffey and INDUS | Weighted average | Backlog and customer relationship |  |  |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |
Useful life of intangible assets |  |  | 3 years |  |  |  |
Eco Logical Australia | Subsequent Event |  |  |  |  |  |  |
Mergers and Acquisitions |  |  |  |  |  |  |
Number of employees | employee | 160 |  |  |  |  |  |

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