Accounts Receivable, net

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Accounts Receivable, net

6. Accounts Receivable, net

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

	September 30, 2021		December 31, 2020
Contracts in progress	$	306.0	$	118.6
Unbilled retentions	99.8		50.3
Trade receivables	9.3		7.5
Other receivables	10.5		8.9
Allowance for doubtful accounts	(0.6)		(0.6)
Total	$	425.0	$	184.7