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v3.4.0.3

Mergers and Acquisitions (Details) $ / shares in Units, $ in Thousands, CAD in Millions |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 18, 2016 USD ($) employee | Mar. 27, 2016 USD ($) $ / shares | Mar. 29, 2015 CAD | Mar. 29, 2015 USD ($) $ / shares | Dec. 28, 2014 CAD | Dec. 28, 2014 USD ($) | Sep. 28, 2014 USD ($) | Dec. 29, 2013 CAD | Mar. 27, 2016 USD ($) $ / shares | Mar. 29, 2015 USD ($) $ / shares | Sep. 27, 2015 USD ($)
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent earn-out liability |  | $ 10,800 |  |  |  |  |  |  | $ 10,800 |  |
Aggregate maximum of contingent consideration |  | 17,800 |  |  |  |  |  |  | 17,800 |  |
Increase (Decrease) in contingent consideration |  |  |  |  |  |  |  |  | 2,800 |  |
Gain (loss) on change in contingent consideration |  |  |  |  |  | $ (1,000) |  |  |  |  |
Contingent consideration liability |  |  |  |  |  |  |  |  |  |  | $ 0
Gains (loss) on fair value adjustment in operating income |  |  |  |  |  |  |  |  | (2,800) |  |
Severance including change in control payments |  | 7,280 |  |  |  |  |  |  |  |  |
Professional services |  | 5,685 |  |  |  |  |  |  |  |  |
Real estate-related |  | 2,946 |  |  |  |  |  |  |  |  |
Total |  | 15,911 |  |  |  |  |  |  | 15,911 |  |
Payments for acquisition and integration costs |  |  |  |  |  |  |  |  | 11,700 |  |
Pre-payment charges paid |  | 1,900 |  |  |  |  |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | 716,244 |  |  |  |  |  |  | $ 716,244 |  | 601,379
Maximum |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Earn-out period for operating income projection |  |  |  |  |  |  |  |  | 3 years |  |
Minimum |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Earn-out period for operating income projection |  |  |  |  |  |  |  |  | 2 years |  |
Coffey |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Number of employees | employee | 3,300 |  |  |  |  |  |  |  |  |  |
Aggregate fair value of purchase prices | $ 76,100 |  |  |  |  |  |  |  |  |  |
Secured bank debt assumed | 37,100 |  |  |  |  |  |  |  |  |  |
Unsecured corporate bonds assumed | $ 28,000 |  |  |  |  |  |  |  |  |  |
INDUS |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Aggregate fair value of purchase prices |  | 17,800 |  |  |  |  |  |  |  |  |
Cash paid to the sellers |  | 13,100 |  |  |  |  |  |  |  |  |
Contingent earn-out liability |  | 4,700 |  |  |  |  |  |  | $ 4,700 |  |
Aggregate maximum of contingent consideration |  | $ 8,000 |  |  |  |  |  |  | 8,000 |  |
Earn-out period for operating income projection |  | 2 years |  |  |  |  |  |  |  |  |
Coffey and INDUS |  |  |  |  |  |  |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |  |  |  |  |
Accounts receivable |  | $ 82,736 |  |  |  |  |  |  | 82,736 |  |
Other current assets |  | 7,846 |  |  |  |  |  |  | 7,846 |  |
Property and equipment |  | 14,723 |  |  |  |  |  |  | 14,723 |  |
Goodwill |  | 104,454 |  |  |  |  |  |  | 104,454 |  |
Other assets |  | 6,142 |  |  |  |  |  |  | 6,142 |  |
Current liabilities |  | (74,641) |  |  |  |  |  |  | (74,641) |  |
Borrowings |  | (65,086) |  |  |  |  |  |  | (65,086) |  |
Other long-term liabilities |  | (7,945) |  |  |  |  |  |  | (7,945) |  |
Noncontrolling interests |  | (500) |  |  |  |  |  |  | (500) |  |
Net assets acquired |  | 93,917 |  |  |  |  |  |  | 93,917 |  |
Pro forma operating results |  |  |  |  |  |  |  |  |  |  |
Revenue |  | 647,612 |  | $ 683,436 |  |  |  |  | 1,319,281 | $ 1,376,599 |
Operating income |  | 32,617 |  | 29,046 |  |  |  |  | 62,766 | 48,670 |
Net income attributable to Tetra Tech |  | $ 20,038 |  | $ 15,844 |  |  |  |  | $ 39,526 | $ 22,978 |
Earnings per share attributable to Tetra Tech Basic (in dollars per share) | $ / shares |  | $ 0.34 |  | $ 0.26 |  |  |  |  | $ 0.67 | $ 0.37 |
Earnings per share attributable to Tetra Tech Diluted (in dollars per share) | $ / shares |  | $ 0.34 |  | $ 0.26 |  |  |  |  | $ 0.67 | $ 0.37 |
Revenue since date of acquisition |  | $ 88,200 |  |  |  |  |  |  |  |  |
Operating income since date of acquisition |  | 300 |  |  |  |  |  |  |  |  |
Amortization of intangible assets since date of acquisition |  | 1,600 |  |  |  |  |  |  |  |  |
Coffey and INDUS | Backlog and customer relationship |  |  |  |  |  |  |  |  |  |  |
Estimated fair values of the assets acquired and liabilities assumed |  |  |  |  |  |  |  |  |  |  |
Backlog and customer relationship intangible assets |  | 26,188 |  |  |  |  |  |  | $ 26,188 |  |
Coffey and INDUS | Maximum | Backlog and customer relationship |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Useful life of intangible assets |  |  |  |  |  |  |  |  | 5 years |  |
Coffey and INDUS | Minimum | Backlog and customer relationship |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Useful life of intangible assets |  |  |  |  |  |  |  |  | 1 year |  |
Coffey and INDUS | Weighted average | Backlog and customer relationship |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Useful life of intangible assets |  |  |  |  |  |  |  |  | 3 years |  |
CEG |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Aggregate fair value of purchase prices |  |  |  |  |  |  |  |  |  |  | 15,900
Cash paid to the sellers |  |  |  |  |  |  |  |  |  |  | 11,800
Contingent earn-out liability |  |  |  |  |  |  |  |  |  |  | 4,100
Aggregate maximum of contingent consideration |  |  |  |  |  |  |  |  |  |  | $ 9,800
Increase (Decrease) in contingent consideration |  | 1,800 |  |  |  |  |  |  |  |  |
Gains (loss) on fair value adjustment in operating income |  | $ (1,800) |  |  |  |  |  |  |  |  |
Caber |  |  |  |  |  |  |  |  |  |  |
Business acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent earn-out liability |  |  |  | $ 0 |  |  |  |  |  | $ 0 |
Aggregate maximum of contingent consideration | CAD |  |  |  |  |  |  |  | CAD 8.0 |  |  |
Earn-out period for operating income projection |  |  |  |  |  |  |  | 2 years |  |  |
Increase (Decrease) in contingent consideration |  |  |  |  |  |  | $ 1,000 |  |  |  |
Gain (loss) on change in contingent consideration |  |  |  | 3,100 |  |  |  |  |  |  |
Gains (loss) on fair value adjustment in operating income |  |  |  | 3,100 |  |  |  |  |  | 3,100 |
Potential earn-out to be paid each year | CAD |  |  |  |  |  |  |  | CAD 4.0 |  |  |
Potential maximum earn-out to be paid |  |  |  | 4,000 |  |  |  |  |  |  |
Minimum operating income threshold to earn contingent consideration during year one | CAD |  |  |  |  |  |  |  | 4.0 |  |  |
Minimum operating income threshold to earn contingent consideration during year two | CAD |  |  |  |  | CAD 4.6 |  |  | 4.6 |  |  |
Operating income to earn maximum consideration during the first year | CAD |  |  |  |  |  |  |  | 4.4 |  |  |
Operating income to earn maximum consideration during the second year | CAD |  |  |  |  |  |  |  | 5.1 |  |  |
Initial fair value of the contingent consideration | CAD |  |  |  |  |  |  |  | CAD 6.5 |  |  |
Estimated potential earn-out (as a percent) |  |  |  |  |  |  |  | 81.00% |  |  |
Earn-out paid to former owners |  |  | CAD 4.0 | 3,200 |  |  |  |  |  |  |
Estimated contingent earn-out liabilities |  |  |  |  |  |  |  |  |  |  |
Decreases (increase) in contingent earn-out liabilities |  |  |  | $ 3,100 |  |  | $ (1,000) |  |  | $ 3,100 |

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