XML 44 R30.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Revenue Recognition (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Revenue From Contract With Customer [Abstract] |
Summary of Percent of Revenues | The following table discloses the percent of the Company’s revenue generated from time and materials contracts:
|  | Fiscal Years |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Engineering & Other Scientific |  | 61% |  |  | 61% |  |  | 66% |
Environmental and Health |  | 17% |  |  | 19% |  |  | 18% |
Total time and materials revenues |  | 78% |  |  | 80% |  |  | 84% |
The following table discloses the percent of the Company’s revenue generated from fixed price contracts:
|  | Fiscal Years |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Engineering & Other Scientific |  | 21% |  |  | 19% |  |  | 15% |
Environmental and Health |  | 1% |  |  | 1% |  |  | 1% |
Total fixed price revenues |  | 22% |  |  | 20% |  |  | 16% |

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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