Accounts Receivable, Net of Allowance (Tables)

9 Months Ended

Sep. 30, 2013

Receivables [Abstract]

Schedule Of 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