CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 27, 2013	Apr. 28, 2012	Apr. 27, 2013	Apr. 28, 2012
REVENUES:
Contract revenues	$ 437,367	$ 296,103	$ 1,129,980	$ 883,085
EXPENSES:
Costs of earned revenues, excluding depreciation and amortization	357,664	241,386	916,247	716,812
General and administrative	38,205	26,956	105,857	76,589
Depreciation and amortization	24,531	15,561	60,660	47,047
Total	420,400	283,903	1,082,764	840,448
Total			1,082,764	840,448
Interest expense, net	(6,637)	(4,178)	(16,582)	(12,528)
Other income, net	1,477	7,627	3,519	12,943
INCOME BEFORE INCOME TAXES	11,807	15,649	34,153	43,052
PROVISION FOR INCOME TAXES:
Current	7,246	5,172	17,589	12,626
Deferred	(2,638)	832	(3,958)	4,330
Total	4,608	6,004	13,631	16,956
NET INCOME	$ 7,199	$ 9,645	$ 20,522	$ 26,096
Earnings Per Common Share:
Basic earnings per common share	$ 0.22	$ 0.29	$ 0.62	$ 0.78
Diluted earnings per common share	$ 0.21	$ 0.28	$ 0.61	$ 0.76
SHARES USED IN COMPUTING EARNINGS PER COMMON SHARE:
Basic	33,033,740	33,741,255	32,968,897	33,669,974
Diluted	33,842,150	34,682,891	33,684,974	34,516,902