CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Oct. 27, 2012	Jul. 28, 2012
CURRENT ASSETS:
Cash and equivalents	$ 54,726	$ 52,581
Accounts receivable, net	153,794	141,788
Costs and estimated earnings in excess of billings	118,409	127,321
Inventories	25,142	26,274
Deferred tax assets, net	16,074	15,633
Income taxes receivable	741	4,884
Other current assets	12,822	8,466
Total current assets	381,708	376,947
PROPERTY AND EQUIPMENT, NET	154,701	158,247
GOODWILL	174,849	174,849
INTANGIBLE ASSETS, NET	48,182	49,773
OTHER	12,093	12,377
TOTAL NON-CURRENT ASSETS	389,825	395,246
TOTAL ASSETS	771,533	772,193
CURRENT LIABILITIES:
Accounts payable	38,485	36,823
Current portion of debt	55	74
Billings in excess of costs and estimated earnings	1,447	1,522
Accrued insurance claims	24,244	25,218
Income taxes payable	4,567	0
Other accrued liabilities	47,642	50,926
Total current liabilities	116,440	114,563
LONG-TERM DEBT	187,500	187,500
ACCRUED INSURANCE CLAIMS	22,847	23,591
DEFERRED TAX LIABILITIES, NET NON-CURRENT	48,792	49,537
OTHER LIABILITIES	3,959	4,071
Total liabilities	379,538	379,262
COMMITMENTS AND CONTINGENCIES, Notes 9, 10, and 15
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: 32,595,062 and 33,587,744 issued and outstanding, respectively	10,865	11,196
Additional paid-in capital	102,351	114,820
Accumulated other comprehensive income	140	138
Retained earnings	278,639	266,777
Total stockholders' equity	391,995	392,931
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 771,533	$ 772,193