CONSOLIDATED CONDENSED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 133,064	$ 119,923
Restricted cash	43,269	42,594
Accounts receivable, including retainage	1,263,390	1,291,246
Costs and estimated earnings in excess of billings	698,423	573,248
Deferred income taxes	8,195	8,240
Other current assets	54,858	50,669
Total current assets	2,201,199	2,085,920
LONG-TERM INVESTMENTS	46,283	46,283
PROPERTY AND EQUIPMENT (net of accumulated depreciation of $192,780 in 2014 and $183,793 in 2013)	516,683	498,125
OTHER ASSETS:
Goodwill	577,756	577,756
Intangible assets, net	110,071	113,740
Other	73,357	75,614
Total assets	3,525,349	3,397,438
CURRENT LIABILITIES:
Current maturities of long-term debt	122,947	114,658
Accounts payable, including retainage	791,638	758,225
Billings in excess of costs and estimated earnings	264,118	267,586
Accrued expenses and other current liabilities	148,986	158,017
Total current liabilities	1,327,689	1,298,486
LONG-TERM DEBT, less current maturities	697,823	619,226
DEFERRED INCOME TAXES	114,186	114,333
OTHER LONG-TERM LIABILITIES	118,631	117,858
Total liabilities	2,258,329	2,149,903
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: 48,527,960 shares and48,421,467 shares	48,528	48,421
Additional paid-in capital	1,011,381	1,007,918
Retained earnings	240,514	224,575
Accumulated other comprehensive loss	(33,403)	(33,379)
Total stockholders' equity	1,267,020	1,247,535
Total liabilities and stockholders' equity	$ 3,525,349	$ 3,397,438