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v3.19.3

Segment Information - Summary of Revenues by Business Lines (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 28, 2018 | Sep. 30, 2019 | Sep. 28, 2018
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 1,023,277 | $ 976,157 | $ 2,917,424 | $ 2,631,568
Federal Solution Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 486,175 | 443,725 | 1,387,484 | 1,076,125
Federal Solution Segment | Cyber & Intelligence |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 90,429 | 68,895 | 247,710 | 177,838
Federal Solution Segment | Defense |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 144,160 | 133,259 | 425,603 | 297,318
Federal Solution Segment | Mission Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 87,936 | 122,780 | 237,914 | 280,902
Federal Solution Segment | Engineered Systems |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 129,989 | 118,791 | 367,542 | 320,067
Federal Solution Segment | Geospatial |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 33,661 | 0 | 108,715 | 0
Critical Infrastructure |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 537,102 | 532,432 | 1,529,940 | 1,555,443
Critical Infrastructure | Connected Communities |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 151,779 | 165,529 | 459,277 | 491,444
Critical Infrastructure | Mobility Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 286,199 | 300,523 | 836,779 | 894,796
Critical Infrastructure | Industrial |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 99,124 | $ 66,380 | $ 233,884 | $ 169,203

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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