Accounts Receivable, Net of Allowance

9 Months Ended

Sep. 30, 2014

Receivables [Abstract]

Accounts Receivable, Net of Allowance

Note 7 - Accounts Receivable, Net of Allowance

The following table provides details of accounts receivable, net of allowance, as of the dates indicated (in millions):

	September 30, 2014			December 31, 2013
Contract billings	$	775.6		$	606.5
Retainage	179.3			159.3
Costs and earnings in excess of billings	451.7			384.6
Accounts receivable, gross	$	1,406.6		$	1,150.4
Less allowance for doubtful accounts	(16.7		)	(15.7		)
Accounts receivable, net	$	1,389.9		$	1,134.7

Provisions for doubtful accounts for the three month periods ended September 30, 2014 and 2013 totaled $0.3 million and $1.9 million, respectively, and totaled $1.1 million and $4.4 million, respectively, for the nine month periods ended September 30, 2014 and 2013.