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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2021
Revenue from Contract with Customer [Abstract] |
Reconciliation of Revenue from Segments to Consolidated | Revenue from contracts with customers consist of the following (in millions):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Revenue |  |  |  |  |  |  |  |
Infrastructure |  | $ | 232.0 |  |  | $ | 172.3 |  |  | $ | 393.3 |  |  | $ | 348.8 |
Spectrum |  | 10.6 |  |  | 9.5 |  |  | 21.1 |  |  | 19.6 |
Life Sciences |  | 1.2 |  |  | — |  |  | 1.2 |  |  | — |
Total revenue |  | $ | 243.8 |  |  | $ | 181.8 |  |  | $ | 415.6 |  |  | $ | 368.4 |
Schedule of Accounts Receivable | Accounts receivables, net from contracts with customers consist of the following (in millions):
|  | June 30, 2021 |  | December 31, 2020
Accounts receivables with customers |  |  |  |
Infrastructure |  | $ | 343.7 |  |  | $ | 168.5 |
Spectrum |  | 8.5 |  |  | 7.3 |
Life Sciences |  | 0.1 |  |  | — |
Total accounts receivables with customers |  | $ | 352.3 |  |  | $ | 175.8 |
Accounts receivable, net consist of the following (in millions):
|  | June 30, 2021 |  | December 31, 2020
Contracts in progress |  | $ | 250.5 |  |  | $ | 118.6 |
Unbilled retentions |  | 93.8 |  |  | 50.3 |
Trade receivables |  | 8.6 |  |  | 7.5 |
Other receivables |  | 12.2 |  |  | 8.9 |
Allowance for doubtful accounts |  | (0.5) |  |  | (0.6) |
Total |  | $ | 364.6 |  |  | $ | 184.7 |
Disaggregation of Revenue | The following table disaggregates DBMG's revenue by market (in millions):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Commercial |  | $ | 84.8 |  |  | $ | 54.0 |  |  | $ | 134.3 |  |  | $ | 116.8 |
Industrial |  | 79.0 |  |  | 59.6 |  |  | 119.2 |  |  | 118.4 |
Transportation |  | 10.8 |  |  | 23.5 |  |  | 24.7 |  |  | 39.9 |
Government |  | 17.2 |  |  | 11.1 |  |  | 38.5 |  |  | 19.7 |
Leisure |  | 4.7 |  |  | 11.3 |  |  | 12.2 |  |  | 27.3 |
Healthcare |  | 11.1 |  |  | 4.7 |  |  | 20.0 |  |  | 12.6 |
Convention |  | 18.8 |  |  | 1.4 |  |  | 28.2 |  |  | 3.8 |
Other |  | 5.6 |  |  | 6.1 |  |  | 16.2 |  |  | 9.7 |
Total revenue from contracts with customers |  | 232.0 |  |  | 171.7 |  |  | 393.3 |  |  | 348.2 |
Other revenue |  | — |  |  | 0.6 |  |  | — |  |  | 0.6 |
Total Infrastructure segment revenue |  | $ | 232.0 |  |  | $ | 172.3 |  |  | $ | 393.3 |  |  | $ | 348.8 |
The following table disaggregates the Life Sciences segment's revenue by type (in millions):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Systems revenue |  | $ | 1.2 |  |  | $ | — |  |  | $ | 1.2 |  |  | $ | — |
Total Life Sciences segment revenue |  | $ | 1.2 |  |  | $ | — |  |  | $ | 1.2 |  |  | $ | — |
Spectrum Segment The following table disaggregates the Spectrum segment's revenue by type (in millions):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Network advertising |  | $ | 4.8 |  |  | $ | 4.0 |  |  | $ | 9.5 |  |  | $ | 9.0 |
Broadcast station |  | 4.5 |  |  | 3.8 |  |  | 8.9 |  |  | 7.3 |
Network distribution |  | 0.7 |  |  | 1.0 |  |  | 1.6 |  |  | 2.1 |
Other |  | 0.6 |  |  | 0.7 |  |  | 1.1 |  |  | 1.2 |
Total Spectrum segment revenue |  | $ | 10.6 |  |  | $ | 9.5 |  |  | $ | 21.1 |  |  | $ | 19.6 |
Contract with Customer, Asset and Liability | Contract assets and contract liabilities consisted of the following (in millions):
|  | June 30, 2021 |  | December 31, 2020
Costs and recognized earnings in excess of billings on uncompleted contracts |  | $ | 63.7 |  |  | $ | 55.6 |
Billings in excess of costs and recognized earnings on uncompleted contracts |  | $ | (146.8) |  |  | $ | (52.2) |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction | The transaction price allocated to remaining unsatisfied performance obligations consisted of the following (in millions):
|  | Within one year |  | Within five years |  |  |  | Total
Commercial |  | $ | 580.5 |  |  | $ | 620.2 |  |  |  |  | $ | 1,200.7 |
Industrial |  | 201.3 |  |  | — |  |  |  |  | 201.3 |
Transportation |  | 41.5 |  |  | 17.2 |  |  |  |  | 58.7 |
Government |  | 47.3 |  |  | — |  |  |  |  | 47.3 |
Leisure |  | 7.0 |  |  | — |  |  |  |  | 7.0 |
Healthcare |  | 51.1 |  |  | — |  |  |  |  | 51.1 |
Convention |  | 52.7 |  |  | — |  |  |  |  | 52.7 |
Other |  | 5.6 |  |  | — |  |  |  |  | 5.6 |
Remaining unsatisfied performance obligations | $ | 987.0 |  |  | $ | 637.4 |  |  |  |  | $ | 1,624.4 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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