CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Jan. 26, 2013	Jul. 28, 2012
CURRENT ASSETS:
Cash and equivalents	$ 22,590	$ 52,581
Accounts receivable, net	227,413	141,788
Costs and estimated earnings in excess of billings	148,502	127,321
Inventories	34,909	26,274
Deferred tax assets, net	15,422	15,633
Income taxes receivable	6,925	4,884
Other current assets	13,923	8,466
Total current assets	469,684	376,947
PROPERTY AND EQUIPMENT, NET	187,242	158,247
GOODWILL	262,989	174,849
INTANGIBLE ASSETS, NET	134,306	49,773
OTHER	18,588	12,377
TOTAL NON-CURRENT ASSETS	603,125	395,246
TOTAL ASSETS	1,072,809	772,193
CURRENT LIABILITIES:
Accounts payable	64,166	36,823
Current portion of debt	6,250	74
Billings in excess of costs and estimated earnings	11,386	1,522
Accrued insurance claims	26,313	25,218
Other accrued liabilities	69,959	50,926
Total current liabilities	178,074	114,563
LONG-TERM DEBT (including debt premium of $3.8 million at January 26, 2013)	420,033	187,500
ACCRUED INSURANCE CLAIMS	23,693	23,591
DEFERRED TAX LIABILITIES, NET NON-CURRENT	48,100	49,537
OTHER LIABILITIES	4,537	4,071
Total liabilities	674,437	379,262
COMMITMENTS AND CONTINGENCIES, Notes 10, 11, and 16
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: 32,993,267 and 33,587,744 issued and outstanding, respectively	10,998	11,196
Additional paid-in capital	107,121	114,820
Accumulated other comprehensive income	151	138
Retained earnings	280,102	266,777
Total stockholders' equity	398,372	392,931
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,072,809	$ 772,193