Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Description of Business and Summary of Significant Accounting Policies [Abstract]

Costs and Estimated Earnings in Excess of Billings

Costs and estimated earnings in excess of billings related to the Company's contracts and joint venture contracts consisted of the following:

	At December 31,
	2012		2011
	(in thousands)
Unbilled costs and profits incurred to date*	$	157,119	$	107,645
Unapproved change orders		141,596		136,704
Claims		166,287		114,049
	$	465,002	$	358,398

* Represents the excess of contract costs and profits recognized to date on the percentage of completion accounting method over the amount of contract billings to date on certain contracts.

Cash and Cash Equivalents and Restricted Cash

Cash and cash equivalents and restricted cash consisted of the following:

	At December 31,
	2012		2011
	(in thousands)
Corporate cash and cash equivalents (available for general corporate purposes)	$	70,780	$	109,180
Company's share of joint venture cash and cash equivalents (available only for joint venture purposes, including future distributions)		97,276		95,060
	$	168,056	$	204,240
Restricted Cash	$	38,717	$	35,437