XML 87 R73.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 28, 2018 | Sep. 28, 2018 | Jun. 29, 2018 | Mar. 30, 2018 | Dec. 29, 2017 | Sep. 29, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 28, 2018 | Dec. 29, 2017 | Dec. 30, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 92,143 | $ 95,302 | $ 95,621 | $ 96,457 | $ 88,282 | $ 87,555 | $ 87,840 | $ 84,122 | $ 379,523 | [1] | $ 347,799 | [1] | $ 315,076 | [1]
Operating Income | $ 26,786 | $ 20,594 | $ 22,478 | $ 21,598 | $ 17,795 | $ 19,305 | $ 20,317 | $ 14,634 | 91,456 |  | 72,051 |  | 61,911 |
Capital Expenditures |  |  |  |  |  |  |  |  | 17,381 |  | 4,725 |  | 14,393 |
Depreciation and Amortization |  |  |  |  |  |  |  |  | 6,292 |  | 6,285 |  | 6,131 |
Operating segments |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Income |  |  |  |  |  |  |  |  | 124,131 |  | 115,791 |  | 99,144 |
Capital Expenditures |  |  |  |  |  |  |  |  | 4,727 |  | 3,866 |  | 4,433 |
Depreciation and Amortization |  |  |  |  |  |  |  |  | 4,606 |  | 4,628 |  | 4,610 |
Engineering and Other Scientific |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 306,265 |  | 277,603 |  | 248,297 |
Operating Income |  |  |  |  |  |  |  |  | 100,307 |  | 93,451 |  | 80,494 |
Capital Expenditures |  |  |  |  |  |  |  |  | 4,528 |  | 3,648 |  | 4,309 |
Depreciation and Amortization |  |  |  |  |  |  |  |  | 4,435 |  | 4,449 |  | 4,429 |
Environmental and Health |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 73,258 |  | 70,196 |  | 66,779 |
Operating Income |  |  |  |  |  |  |  |  | 23,824 |  | 22,340 |  | 18,650 |
Capital Expenditures |  |  |  |  |  |  |  |  | 199 |  | 218 |  | 124 |
Depreciation and Amortization |  |  |  |  |  |  |  |  | 171 |  | 179 |  | 181 |
Corporate |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Income |  |  |  |  |  |  |  |  | (32,675) |  | (43,740) |  | (37,233) |
Capital Expenditures |  |  |  |  |  |  |  |  | 12,654 |  | 859 |  | 9,960 |
Depreciation and Amortization |  |  |  |  |  |  |  |  | $ 1,686 |  | $ 1,657 |  | $ 1,521 |
[1] | Geographic revenues are allocated based on the location of the client.

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