CONSOLIDATED CONDENSED BALANCE SHEETS (UNAUDITED) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and Cash Equivalents	$ 420,978	$ 471,378
Restricted Cash	32,443	23,550
Accounts Receivable, including retainage	1,021,270	880,614
Costs and Estimated Earnings in Excess of Billings	215,117	139,449
Deferred Income Taxes	11,440	3,737
Other Current Assets	52,860	42,314
Total Current Assets	1,754,108	1,561,042
Long-term Investments	88,129	88,129
Property and Equipment (net of Accumulated Depreciation of $88,237 in 2011 and $79,942 in 2010)	424,869	362,437
Other Assets:
Goodwill	691,077	621,920
Intangible Assets, net	160,206	132,551
Other	20,968	13,141
Total Assets	3,139,357	2,779,220
LIABILITIES AND STOCKHOLDERS' EQUITY
Current Maturities of Long-term Debt	32,413	21,334
Accounts Payable, including retainage	630,178	653,542
Billings in Excess of Costs and Estimated Earnings	295,013	199,750
Accrued Expenses	97,111	93,488
Total Current Liabilities	1,054,715	968,114
Long-term Debt, less current maturities	605,969	374,350
Deferred Income Taxes	83,598	79,082
Other Long-term Liabilities	48,040	44,680
Contingencies and Commitments
Stockholders' Equity:
Common Stock - $1 par value: 75,000,000 shares authorized; Shares issued and outstanding: 47,286,104 and 47,089,593, respectively	47,286	47,090
Additional Paid-in Capital	992,546	985,413
Retained Earnings	343,154	316,531
Accumulated Other Comprehensive Loss	(35,951)	(36,040)
Total Stockholders' Equity	1,347,035	1,312,994
Total Liabilities and Stockholders' Equity	$ 3,139,357	$ 2,779,220