Accounts Receivable, Net of Allowance

9 Months Ended

Sep. 30, 2013

Receivables [Abstract]

Accounts Receivable, Net of Allowance

Accounts Receivable, Net of Allowance

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

	September 30, 2013			December 31, 2012
Contract billings	$	711.4		$	522.0
Retainage	134.7			113.5
Costs and earnings in excess of billings	393.9			253.0
Accounts receivable, gross	$	1,240.0		$	888.5
Less allowance for doubtful accounts	(14.9		)	(11.3		)
Accounts receivable, net	$	1,225.1		$	877.2

Provisions for doubtful accounts were $1.9 million and $1.2 million, respectively for the three month periods ended September 30, 2013 and September 30, 2012, respectively, and $4.4 million and $2.5 million for the nine month periods ended September 30, 2013 and September 30, 2012, respectively.