CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jul. 28, 2012	Jul. 30, 2011
CURRENT ASSETS:
Cash and equivalents	$ 52,581	$ 44,766
Accounts receivable, net	141,788	138,552
Costs and estimated earnings in excess of billings	127,321	90,855
Inventories	26,274	20,558
Deferred tax assets, net	15,633	15,957
Income taxes receivable	4,884	8,685
Other current assets	8,466	10,938
Total current assets	376,947	330,311
Property and Equipment, Net	158,247	149,439
GOODWILL	174,849	174,849
INTANGIBLE ASSETS, NET	49,773	56,279
OTHER	12,377	13,877
TOTAL NON-CURRENT ASSETS	395,246	394,444
TOTAL ASSETS	772,193	724,755
CURRENT LIABILITIES:
Accounts payable	36,823	39,399
Current portion of debt	74	232
Billings in excess of costs and estimated earnings	1,522	749
Accrued insurance claims	25,218	26,092
Other accrued liabilities	50,926	52,041
Total current liabilities	114,563	118,513
LONG-TERM DEBT	187,500	187,574
Accrued Insurance Claims Noncurrent	23,591	23,344
DEFERRED TAX LIABILITIES, NET NON-CURRENT	49,537	39,923
OTHER LIABILITIES	4,071	3,550
Total liabilities	379,262	372,904
COMMITMENTS AND CONTINGENCIES, Notes 9, 10, and 17
STOCKHOLDERS' EQUITY:
Preferred stock, par value $1.00 per share: 1,000,000 shares authorized: no shares issued and outstanding	0	0
Common stock, par value $0.33 1/3 per share: 150,000,000 shares authorized: 33,587,744 and 33,487,640 issued and outstanding, respectively	11,196	11,162
Additional paid-in capital	114,820	112,991
Accumulated other comprehensive income	138	299
Retained earnings	266,777	227,399
Total stockholders' equity	392,931	351,851
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 772,193	$ 724,755