CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 26, 2014	Apr. 27, 2013	Apr. 26, 2014	Apr. 27, 2013
REVENUES:
Contract revenues	$ 426,284	$ 437,367	$ 1,329,522	$ 1,129,980
EXPENSES:
Costs of earned revenues, excluding depreciation and amortization	350,352	357,664	1,087,824	916,247
General and administrative (including stock-based compensation expense of $2.7 million and $2.5 million, respectively)	39,162	38,205	120,799	105,857
Depreciation and amortization	22,726	24,531	69,713	60,660
Total	412,240	420,400	1,278,336	1,082,764
Interest expense, net	(6,563)	(6,637)	(20,249)	(16,582)
Other income, net	5,593	1,477	8,200	3,519
INCOME BEFORE INCOME TAXES	13,074	11,807	39,137	34,153
PROVISION FOR INCOME TAXES:
Current	7,094	7,246	16,666	17,589
Deferred	(1,915)	(2,638)	(1,017)	(3,958)
Total	5,179	4,608	15,649	13,631
NET INCOME	$ 7,895	$ 7,199	$ 23,488	$ 20,522
Earnings Per Common Share:
Basic earnings per common share	$ 0.23	$ 0.22	$ 0.70	$ 0.62
Diluted earnings per common share	$ 0.23	$ 0.21	$ 0.68	$ 0.61
SHARES USED IN COMPUTING EARNINGS PER COMMON SHARE:
Basic	33,860,832	33,033,740	33,707,957	32,968,897
Diluted	34,763,035	33,842,150	34,767,400	33,684,974