XML 38 R26.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Goodwill and Intangible Assets (Tables) | 6 Months Ended
--- | ---
Mar. 27, 2016
Goodwill and Intangible Assets |
Summary of changes in the carrying value of goodwill |
|  | WEI |  | RME |  | Total |
|  | (in thousands) |
Balance at September 27, 2015 |  | $ | 210,748 |  | $ | 390,631 |  | $ | 601,379 |
Goodwill additions |  | 9,030 |  | 95,424 |  | 104,454 |
Goodwill adjustments |  | – |  | 2,000 |  | 2,000 |
Foreign exchange impact |  | 713 |  | 7,698 |  | 8,411 |
Balance at March 27, 2016 |  | $ | 220,491 |  | $ | 495,753 |  | $ | 716,244 |
Summary of acquired identifiable intangible assets with finite useful lives |
|  | March 27, 2016 |  | September 27, 2015 |
|  | Weighted- Average Remaining Life (in Years) |  | Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization |
|  | ($ in thousands) |
Non-compete agreements |  | 0.7 |  | $ | 841 |  |  | $ | (701 | ) |  | $ | 819 |  |  | $ | (587 | ) |
Client relations |  | 3.5 |  | 118,344 |  |  | (75,732 | ) |  | 106,676 |  |  | (67,726 | ) |
Backlog |  | 1.9 |  | 18,634 |  |  | (3,429 | ) |  | 2,115 |  |  | (1,444 | ) |
Technology and trade names |  | 1.3 |  | 2,518 |  |  | (2,242 | ) |  | 2,506 |  |  | (2,027 | ) |
Total |  |  |  | $ | 140,337 |  |  | $ | (82,104 | ) |  | $ | 112,116 |  |  | $ | (71,784 | ) |
Estimated amortization expense for the succeeding five years and beyond |
|  | Amount |
|  | (in thousands) |
2016 |  | $ | 12,618 |
2017 |  | 22,525 |
2018 |  | 11,863 |
2019 |  | 5,456 |
2020 |  | 4,285 |
Beyond |  | 1,486 |
Total |  | $ | 58,233 |

X
- Definition Tabular disclosure of the characteristics, including gross value, accumulated amortization amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References No definition available. + Details
Name: | ttek_ScheduleOfGrossAndAccumulatedAmountsForAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock
Namespace Prefix: | ttek_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration