Accounts Receivable, net (Tables)

12 Months Ended

Dec. 31, 2019

Receivables [Abstract]

Schedule of Accounts Receivable

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

	December 31,
	2019		2018
Accounts receivables with customers
Construction	$	199.2	$	196.6
Marine Services	26.0		48.3
Energy	31.1		3.3
Telecommunications	51.9		117.6
Broadcasting	8.5		9.2
Total accounts receivables with customers	$	316.7	$	375.0

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

	December 31,
	2019		2018
Contracts in progress	$	204.7	$	188.2
Trade receivables	60.6		127.5
Unbilled retentions	53.9		65.6
Other receivables	21.1		4.2
Allowance for doubtful accounts	(2.5)		(6.3)
Total accounts receivable, net	$	337.8	$	379.2