Revenue (Tables)

3 Months Ended

Mar. 31, 2020

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,
	2020		2019
Revenue (1)
Construction	$	176.5	$	192.1
Energy	10.4		5.1
Telecommunications	186.4		155.5
Broadcasting	10.1		9.8
Total revenue	$	383.4	$	362.5

⁽¹⁾ The Insurance segment does not have revenues in scope of ASC 606.

Schedule of Accounts Receivable

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

	March 31,		December 31,
	2020		2019
Accounts receivables with customers
Construction	$	208.4	$	199.2
Energy	22.4		31.1
Telecommunications	74.1		51.9
Broadcasting	7.1		8.5
Total accounts receivables with customers	$	312.0	$	290.7

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

	March 31,		December 31,
	2020		2019
Contracts in progress	$	170.7	$	177.8
Trade receivables	81.9		60.6
Unbilled retentions	61.2		53.9
Other receivables	21.1		21.0
Allowance for doubtful accounts	(1.6)		(1.5)
Total accounts receivable, net	$	333.3	$	311.8

Disaggregation of Revenue

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

	Three Months Ended March 31,
	2020		2019
Commercial	$	62.8	$	59.4
Convention	2.4		28.7
Healthcare	8.0		8.8
Industrial	58.9		53.8
Transportation	16.3		18.1
Leisure	16.0		14.9
Other	12.1		8.4
Total revenue from contracts with customers	176.5		192.1
Other revenue	—		—
Total Construction segment revenue	$	176.5	$	192.1

The following table disaggregates ANG's revenue by type (in millions):

	Three Months Ended March 31,
	2020		2019
Volume-related	$	8.7	$	4.8
Total revenue from contracts with customers	8.7		4.8
RNG incentives	0.1		0.3
Alternative fuel tax credit	1.4		—
Other revenue	0.2		—
Total Energy segment revenue	$	10.4	$	5.1

ICS's revenues are predominantly derived from wholesale of international long distance minutes (in millions):

	Three Months Ended March 31,
	2020		2019
Termination of long distance minutes	$	186.4	$	155.5
Total revenue from contracts with customers	186.4		155.5
Other revenue	—		—
Total Telecommunications segment revenue	$	186.4	$	155.5

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

	Three Months Ended March 31,
	2020		2019
Network advertising	$	5.0	$	5.4
Broadcast station	3.5		2.7
Network distribution	1.0		1.5
Other	0.6		0.2
Total revenue from contracts with customers	10.1		9.8
Other revenue	—		—
Total Broadcasting segment revenue	$	10.1	$	9.8

Contract with Customer, Asset and Liability

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

	March 31,		December 31,
	2020		2019
Contract assets	$	61.5	$	50.6
Contract liabilities	$	(69.6)	$	(50.6)

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	$	145.4	$	—	$	145.4
Convention	19.2		—		19.2
Healthcare	44.8		—		44.8
Industrial	101.6		—		101.6
Transportation	67.5		—		67.5
Leisure	19.8		—		19.8
Other	67.3		—		67.3
Remaining unsatisfied performance obligations	$	465.6	$	—	$	465.6

DBMG includes an additional $19.9 million in its backlog that is not included in the remaining unsatisfied performance obligations noted above. This backlog represents commitments under master service agreements that are estimated amounts of work to be performed based on customer communications, historic experience and knowledge of our customers' intentions.