Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Summary of Significant Accounting Policies

Schedule of costs and estimated earnings on uncompleted contracts

	2011			2010
Costs incurred on uncompleted contracts	$	2,783.5		$	2,394.7
Estimated earnings to date		750.6			662.9
		3,534.1			3,057.6
Less: Billings to date		(3,514.4	)		(3,203.4	)
		19.7			(145.8	)
Net costs and estimated earnings in excess of billings assumed in the acquisition of Clyde Union (Holdings) S.A.R.L. ("Clyde Union")		57.2			—
Net costs and estimated earnings in excess of billings (billings in excess of costs and estimated earnings)	$	76.9		$	(145.8	)

Schedule of net billings in excess of costs and estimated earnings

	2011			2010
Costs and estimated earnings in excess of billings(1)	$	355.9		$	228.1
Billings in excess of costs and estimated earnings on uncompleted contracts(2)		(279.0	)		(373.9	)
Net costs and estimated earnings in excess of billings (billings in excess of costs and estimated earnings)	$	76.9		$	(145.8	)

⁽¹⁾

The December 31, 2011 and 2010 balances include $355.9 and $226.3 reported as a component of "Accounts receivable, net", respectively, and $0.0 and $1.8 as a component of "Other long-term assets" in the consolidated balance sheets, respectively.

⁽²⁾

The December 31, 2011 and 2010 balances include $275.4 and $364.5 reported as a component of "Accrued expenses", respectively, and $3.6 and $9.4 as a component of "Other long-term liabilities" in the consolidated balance sheets, respectively.