XML 58 R42.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Reportable Segments (Tables) | 12 Months Ended
--- | ---
Oct. 01, 2017
Segment Reporting [Abstract] |
Summarized financial information of reportable segments | The following tables set forth summarized financial information concerning our reportable segments: Reportable Segments
| Fiscal Year Ended
| October 1, 2017 |  | October 2, 2016 |  | September 27, 2015
| (in thousands)
Revenue |  |  |  |  |  |  |  |
WEI | $ | 1,146,366 |  |  | $ | 1,028,281 |  |  | $ | 993,631 |
RME | 1,666,364 |  |  | 1,569,702 |  |  | 1,282,046 |
RCM | 18,207 |  |  | 52,150 |  |  | 86,575 |
Elimination of inter-segment revenue | (77,577 | ) |  | (66,664 | ) |  | (62,931 | )
Total revenue | $ | 2,753,360 |  |  | $ | 2,583,469 |  |  | $ | 2,299,321 |
Operating Income (Loss) |  |  |  |
WEI | $ | 117,894 |  |  | $ | 95,996 |  |  | $ | 93,142 |
RME | 111,122 |  |  | 112,202 |  |  | 93,359 |
RCM | (14,712 | ) |  | (11,834 | ) |  | (8,614 | )
Corporate (1) | (30,962 | ) |  | (60,509 | ) |  | (90,203 | )
Total operating income | $ | 183,342 |  |  | $ | 135,855 |  |  | $ | 87,684 |
Depreciation |  |  |  |
WEI | $ | 4,690 |  |  | $ | 4,797 |  |  | $ | 5,335 |
RME | 15,142 |  |  | 15,703 |  |  | 13,342 |
RCM | 1,062 |  |  | 736 |  |  | 1,801 |
Corporate | 1,313 |  |  | 1,520 |  |  | 2,632 |
Total depreciation | $ | 22,207 |  |  | $ | 22,756 |  |  | $ | 23,110 |
(1) | Includes goodwill and other intangible assets impairment charges, amortization of intangibles, other costs and other income not allocable to segments. The impairment charges of $60.8 million for fiscal 2015 was recorded at Corporate. The intangible asset amortization expense for fiscal 2017, 2016 and 2015 was 22.8 million, $22.1 million and 20.2 million, respectively. Corporate results also included income (loss) for fair value adjustments to contingent consideration liabilities of 6.9 million, $(2.8) million and $3.1 million for fiscal 2017, 2016 and 2015, respectively. Fiscal 2016 also included 19.5 million of acquisition and integration related expenses recorded at Corporate.
| October 1, 2017 |  | October 2, 2016
| (in thousands)
Total Assets |  |  |  |  |
WEI | $ | 354,709 |  |  | $ | 308,438 |
RME | 555,485 |  |  | 522,895 |
RCM | 33,620 |  |  | 39,107 |
Corporate (1) | 958,931 |  |  | 930,339 |
Total assets | $ | 1,902,745 |  |  | $ | 1,800,779 |
(1) | Corporate assets consist of intercompany eliminations and assets not allocated to segments including goodwill, intangible assets, deferred income taxes and certain other assets.
Schedule of geographic information | Geographic Information
| Fiscal Year Ended
| October 1, 2017 |  | October 2, 2016 |  | September 27, 2015
| Revenue |  | Long-Lived Assets (2) |  | Revenue |  | Long-Lived Assets (2) |  | Revenue |  | Long-Lived Assets (2)
United States | $ | 2,018,841 |  |  | $ | 58,965 |  |  | $ | 1,858,551 |  |  | $ | 59,334 |  |  | $ | 1,734,439 |  |  | $ | 61,526 |
Foreign countries (1) | 734,519 |  |  | 34,183 |  |  | 724,918 |  |  | 39,067 |  |  | 564,882 |  |  | 32,230 |
(1) | Includes revenue generated from our foreign operations, primarily in Canada and Australia, and revenue generated from non-U.S. clients. Long-lived assets consist primarily of amounts from our Canadian operations.
(2) | Excludes goodwill and other intangible assets.
Summary of revenue by client sector | The following table presents our revenue by client sector:
| Fiscal Year Ended
| October 1, 2017 |  | October 2, 2016 |  | September 27, 2015
| (in thousands)
Client Sector |  |  |  |  |  |  |  |
International (1) | $ | 734,519 |  |  | $ | 724,918 |  |  | $ | 564,882 |
U.S commercial | 764,643 |  |  | 763,443 |  |  | 736,815 |
U.S. federal government (2) | 901,136 |  |  | 784,368 |  |  | 709,600 |
U.S. state and local government | 353,062 |  |  | 310,740 |  |  | 288,024 |
Total | $ | 2,753,360 |  |  | $ | 2,583,469 |  |  | $ | 2,299,321 |
(1) | Includes revenue generated from foreign operations, primarily in Canada and Australia, and revenue generated from non-U.S. clients.
(2) | Includes revenue generated under U.S. federal government contracts performed outside the United States.

X
- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue generated from operations attributed to that country from which revenue is material; and for U.S. operations, revenue from external customers attributed to that country from which revenue is material. + References No definition available. + Details
Name: | ttek_ScheduleOfRevenuesAndLongLivedAssetsByGeographicalAreasTableTextBlock
Namespace Prefix: | ttek_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
Name: | us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
Name: | us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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