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

3 Months Ended

Mar. 31, 2018

Accounts Receivable [Member]

Schedule of Accounts Receivable, Net and Contract Assets and Liabilities [Line Items]

Schedule of Accounts Receivable, Net and Contract Assets and Liabilities

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

	March 31, 2018			December 31, 2017
Contract billings	$	679.4		$	683.9
Less allowance for doubtful accounts	(9.0		)	(8.2		)
Accounts receivable, net of allowance	$	670.4		$	675.7
Retainage	301.9			323.1
Costs and earnings in excess of billings	732.8			599.2
Retainage and costs and earnings in excess of billings (together, “contract assets”)	$	1,034.7		$	922.3
Accounts receivable, net	$	1,705.1		$	1,598.0
Billings in excess of costs and earnings	215.7			194.5
Accrued project losses	6.7			11.6
Contract liabilities	$	222.4		$	206.1