Accounts Receivable, Net of Allowance

6 Months Ended

Jun. 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):

	June 30, 2014			December 31, 2013
Contract billings	$	702.9		$	606.5
Retainage	140.8			159.3
Costs and earnings in excess of billings	463.2			384.6
Accounts receivable, gross	$	1,306.9		$	1,150.4
Less allowance for doubtful accounts	(18.2		)	(15.7		)
Accounts receivable, net	$	1,288.7		$	1,134.7

Provisions for doubtful accounts were $0.8 million and $2.5 million, respectively, for the six month periods ended June 30, 2014 and 2013.