CONSOLIDATED CONDENSED BALANCE SHEETS (UNAUDITED) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash and Cash Equivalents	$ 190,414	$ 204,240
Restricted Cash	35,450	35,437
Accounts Receivable, including retainage	1,184,213	1,275,031
Costs and Estimated Earnings in Excess of Billings	377,599	358,398
Deferred Income Taxes	1,958	0
Other Current Assets	87,862	76,928
Total Current Assets	1,877,496	1,950,034
Long-term Investments	46,283	62,311
Property and Equipment (net of Accumulated Depreciation of $117,712 in 2012 and $104,541 in 2011)	490,011	491,377
Other Assets:
Goodwill	893,790	892,602
Intangible Assets, net	192,960	197,999
Other	18,040	18,804
Total Assets	3,518,580	3,613,127
LIABILITIES AND STOCKHOLDERS' EQUITY
Current Maturities of Long-term Debt	60,916	59,959
Accounts Payable, including retainage	684,327	785,725
Billings in Excess of Costs and Estimated Earnings	376,391	384,282
Accrued Expenses and Other Current Liabilities	159,612	163,268
Total Current Liabilities	1,281,246	1,393,234
Long-term Debt, less current maturities	617,095	612,548
Deferred Income Taxes	105,683	97,921
Other Long-term Liabilities	111,169	109,597
Contingencies and Commitments
Stockholders' Equity:
Common Stock - $1 par value: 75,000,000 shares authorized; Shares issued and outstanding: 47,367,950 and 47,329,275, respectively	47,368	47,329
Additional Paid-in Capital	996,313	993,434
Retained Earnings	401,476	402,679
Accumulated Other Comprehensive Loss	(41,770)	(43,615)
Total Stockholders' Equity	1,403,387	1,399,827
Total Liabilities and Stockholders' Equity	$ 3,518,580	$ 3,613,127