Accounts Receivable, Net of Allowance, and Contract Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2019

Receivables [Abstract]

Schedule of Accounts Receivable, Net of Allowance, and Contract Assets

The following table provides details of accounts receivable, net of allowance and contract assets (together, “accounts receivable, net”) as of the dates indicated (in millions):

	September 30, 2019			December 31, 2018
Contract billings	$	745.5		$	687.6
Less allowance for doubtful accounts	(14.3		)	(16.3		)
Accounts receivable, net of allowance	$	731.2		$	671.3
Retainage	372.3			230.2
Costs and earnings in excess of billings	849.8			1,022.5
Retainage and costs and earnings in excess of billings (together, “contract assets”)	$	1,222.1		$	1,252.7
Accounts receivable, net	$	1,953.3		$	1,924.0