Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Significant Accounting Policies

Schedule of costs and estimated earnings on uncompleted contracts

	2012			2011
Costs incurred on uncompleted contracts	$	3,363.0		$	2,783.5
Estimated earnings to date		804.8			750.6
		4,167.8			3,534.1
Less: Billings to date		(4,066.7	)		(3,514.4	)
		101.1			19.7
Net costs and estimated earnings in excess of billings assumed in the acquisition of Clyde Union (Holdings) S.A.R.L. ("Clyde Union")		10.0			57.2
Net costs and estimated earnings in excess of billings	$	111.1		$	76.9

Schedule of net billings in excess of costs and estimated earnings

	2012			2011
Costs and estimated earnings in excess of billings(1)	$	359.7		$	355.9
Billings in excess of costs and estimated earnings on uncompleted contracts(2)		(248.6	)		(279.0	)
Net costs and estimated earnings in excess of billings	$	111.1		$	76.9

⁽¹⁾

The December 31, 2012 and 2011 balances are reported as a component of "Accounts receivable, net."

⁽²⁾

The December 31, 2012 and 2011 balances include $248.4 and $275.4 reported as a component of "Accrued expenses," respectively, and $0.2 and $3.6 as a component of "Other long-term liabilities" in the consolidated balance sheets, respectively.