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Revenue (Tables)

3 Months Ended

Mar. 31, 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 March 31,
						2021						2020
Revenue
Infrastructure						$	161.3					$	176.5
Spectrum						10.5						10.1
Total revenue						$	171.8					$	186.6

Schedule of Accounts Receivable

Accounts receivables, net from contracts with customers consist of the following (in millions):

						March 31, 2021						December 31, 2020
Accounts receivables with customers
Infrastructure						$	165.3					$	168.5
Spectrum						6.9						7.3
Total accounts receivables with customers						$	172.2					$	175.8

Accounts receivable, net consist of the following (in millions):

						March 31, 2021						December 31, 2020
Contracts in progress									$	114.6								$	118.6
Unbilled retentions						50.9						50.3
Trade receivables						7.2						7.5
Other receivables						14.3						8.9
Allowance for doubtful accounts						(0.6)						(0.6)
Total						$	186.4					$	184.7

Disaggregation of Revenue

The following table disaggregates DBMG's revenue by market (in millions):

						Three Months Ended March 31,
						2021						2020
Commercial						$	49.4					$	62.8
Industrial						40.3						58.9
Transportation						13.9						16.3
Government						21.3						8.6
Leisure						7.5						16.0
Healthcare						8.9						8.0
Convention						9.4						2.4
Other						10.6						3.5
Total revenue from contracts with customers						161.3						176.5
Other revenue						—						—
Total Infrastructure segment revenue						$	161.3					$	176.5

The following table disaggregates the Spectrum segment's revenue by type (in millions):

						Three Months Ended March 31,
						2021						2020
Network advertising						$	4.7					$	5.0
Broadcast station						4.4						3.5
Network distribution						0.9						1.0
Other						0.5						0.6
Total revenue from contracts with customers						10.5						10.1
Other revenue						—						—
Total Spectrum segment revenue						$	10.5					$	10.1

Contract with Customer, Asset and Liability

Contract assets and contract liabilities consisted of the following (in millions):

						March 31, 2021						December 31, 2020
Contract assets									$	65.7								$	55.6
Contract liabilities						$	58.5					$	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						$	159.1					$	—											$	159.1
Convention						67.3						—												67.3
Healthcare						33.8						—												33.8
Industrial						182.2						2.3												184.5
Transportation						16.0						—												16.0
Government						39.6						—												39.6
Leisure						3.5						—												3.5
Other						10.0						—												10.0
Remaining unsatisfied performance obligations						$	511.5					$	2.3											$	513.8

X

- 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=121604090&loc=SL49130551-203045

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- 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
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Tabular disclosure of all significant reconciling items in the reconciliation of total revenues from reportable segments to the entity's consolidated revenues.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 31
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Tabular disclosure of expected timing for satisfying remaining performance obligation.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
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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.

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