CONSOLIDATED CONDENSED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 132,318	$ 168,056
Restricted cash	45,231	38,717
Accounts receivable, including retainage	1,331,555	1,224,613
Costs and estimated earnings in excess of billings	479,361	465,002
Deferred income taxes	9,721	10,071
Other current assets	74,500	75,388
Total current assets	2,072,686	1,981,847
LONG-TERM INVESTMENTS	46,283	46,283
PROPERTY AND EQUIPMENT (net of accumulated depreciation of $154,405 in 2013 and $146,553 in 2012)	487,385	485,095
OTHER ASSETS:
Goodwill	570,646	570,646
Intangible assets, net	123,551	126,821
Other	86,887	85,718
Total assets	3,387,438	3,296,410
CURRENT LIABILITIES:
Current maturities of long-term debt	67,330	67,710
Accounts payable, including retainage	705,916	696,473
Billings in excess of costs and estimated earnings	295,265	301,761
Accrued expenses and other current liabilities	176,249	168,326
Total current liabilities	1,244,760	1,234,270
LONG-TERM DEBT, less current maturities	737,083	669,380
DEFERRED INCOME TAXES	109,988	109,900
OTHER LONG-TERM LIABILITIES	133,909	138,996
Total liabilities	2,225,740	2,152,546
CONTINGENCIES AND COMMITMENTS
STOCKHOLDERS' EQUITY:
Preferred stock, $1 par value: Authorized - 1,000,000 shares; Issued and outstanding - none
Common stock - $1 par value: 75,000,000 shares authorized; Shares issued and outstanding: 47,575,692 shares and 47,556,056 shares	47,576	47,556
Additional paid-in capital	1,005,534	1,002,603
Retained earnings	152,079	137,279
Accumulated other comprehensive loss	(43,491)	(43,574)
Total stockholders' equity	1,161,698	1,143,864
Total liabilities and stockholders' equity	$ 3,387,438	$ 3,296,410