CONSOLIDATED CONDENSED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
CURRENT ASSETS:
Cash and cash equivalents	$ 137,228	$ 119,923
Restricted cash	46,988	42,594
Accounts receivable, including retainage	1,580,594	1,291,246
Costs and estimated earnings in excess of billings	720,177	573,248
Deferred income taxes	7,951	8,240
Other current assets	69,318	50,669
Total current assets	2,562,256	2,085,920
LONG-TERM INVESTMENTS		46,283
PROPERTY AND EQUIPMENT (net of accumulated depreciation of $208,604 in 2014 and $183,793 in 2013)	526,981	498,125
OTHER ASSETS:
Goodwill	585,006	577,756
Intangible assets, net	103,329	113,740
Other	57,948	75,614
Total assets	3,835,520	3,397,438
CURRENT LIABILITIES:
Current maturities of long-term debt	65,407	114,658
Accounts payable, including retainage	863,643	758,225
Billings in excess of costs and estimated earnings	327,646	267,586
Accrued expenses and other current liabilities	145,336	158,017
Total current liabilities	1,402,032	1,298,486
LONG-TERM DEBT, less current maturities	880,121	619,226
DEFERRED INCOME TAXES	115,325	114,333
OTHER LONG-TERM LIABILITIES	97,115	117,858
Total liabilities	2,494,593	2,149,903
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: 48,645,900 shares and 48,421,467 shares	48,646	48,421
Additional paid-in capital	1,020,806	1,007,918
Retained earnings	304,789	224,575
Accumulated other comprehensive loss	(33,314)	(33,379)
Total stockholders' equity	1,340,927	1,247,535
Total liabilities and stockholders' equity	$ 3,835,520	$ 3,397,438