CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Apr. 27, 2013	Jul. 28, 2012
CURRENT ASSETS:
Cash and equivalents	$ 18,247	$ 52,581
Accounts receivable, net	234,037	141,788
Costs and estimated earnings in excess of billings	183,920	127,321
Inventories	35,047	26,274
Deferred tax assets, net	16,622	15,633
Income taxes receivable	907	4,884
Other current assets	13,014	8,466
Total current assets	501,794	376,947
PROPERTY AND EQUIPMENT, NET	189,145	158,247
GOODWILL	260,708	174,849
INTANGIBLE ASSETS, NET	127,252	49,773
OTHER	18,294	12,377
TOTAL NON-CURRENT ASSETS	595,399	395,246
TOTAL ASSETS	1,097,193	772,193
CURRENT LIABILITIES:
Accounts payable	64,509	36,823
Current portion of debt	7,031	74
Accrued insurance claims	28,229	25,218
Other accrued liabilities	64,908	50,926
Total current liabilities	177,047	114,563
LONG-TERM DEBT (including debt premium of $3.8 million at January 26, 2013)	433,601	187,500
ACCRUED INSURANCE CLAIMS	26,394	23,591
DEFERRED TAX LIABILITIES, NET NON-CURRENT	46,691	49,537
OTHER LIABILITIES	4,637	4,071
Total liabilities	688,370	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	11,020	11,196
Additional paid-in capital	110,373	114,820
Accumulated other comprehensive income	130	138
Retained earnings	287,300	266,777
Total stockholders' equity	408,823	392,931
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,097,193	772,193
Billings in excess of costs and estimated earnings	$ 12,370	$ 1,522