Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of costs and estimated earnings on uncompleted contracts

Costs and estimated earnings on uncompleted contracts, from their inception, and related amounts billed as of December 31, 2015 and 2014 were as follows:



	2015			2014
Costs incurred on uncompleted contracts	$	1,338.4		$	1,326.4
Estimated earnings to date	66.4			167.2
	1,404.8			1,493.6
Less: Billings to date	(1,414.8		)	(1,493.9		)
Billings in excess of costs and estimated earnings	$	(10.0	)	$	(0.3	)

Schedule of net costs and estimated earnings in excess of billings

These amounts are included in the accompanying consolidated balance sheets at December 31, 2015 and 2014 as shown below. Amounts for billed retainages and receivables to be collected in excess of one year are not significant for the periods presented.



	2015			2014
Costs and estimated earnings in excess of billings⁽¹⁾	$	106.3		$	95.5
Billings in excess of costs and estimated earnings on uncompleted contracts⁽²⁾	(116.3		)	(95.8		)
Net billings in excess of costs and estimated earnings	$	(10.0	)	$	(0.3	)

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⁽¹⁾	Reported as a component of "Accounts receivable, net."


⁽²⁾	Reported as a component of "Accrued expenses."