CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 23, 2016	Apr. 25, 2015	Apr. 23, 2016	Apr. 25, 2015
REVENUES:
Contract revenues	$ 664,645	$ 492,363	$ 1,883,383	$ 1,443,833
EXPENSES:
Costs of earned revenues, excluding depreciation and amortization	520,408	388,239	1,477,671	1,147,136
General and administrative (including stock-based compensation expense of $3.9 million and $3.2 million, respectively)	56,519	44,707	155,003	131,218
Depreciation and amortization	31,583	23,985	88,930	70,179
Costs and Expenses	608,510	456,931	1,721,604	1,348,533
Interest expense, net	(8,007)	(6,646)	(25,010)	(20,126)
Loss on debt extinguishment			(16,260)	0
Other income, net	4,323	3,471	6,866	7,001
Income before income taxes	52,451	32,257	127,375	82,175
Provision for income taxes:
Current	14,842	9,346	20,026	27,654
Deferred	4,526	2,653	27,969	4,024
Total provision for income taxes	19,368	11,999	47,995	31,678
Net income	$ 33,083	$ 20,258	$ 79,380	$ 50,497
Earnings per common share:
Basic earnings per common share (in dollars per share)	$ 1.02	$ 0.59	$ 2.43	$ 1.48
Diluted earnings per common share (in dollars per share)	$ 1.00	$ 0.58	$ 2.37	$ 1.44
Shares used in computing earnings per common share:
Basic (in shares)	32,433,560	34,107,262	32,656,490	34,081,381
Diluted (in shares)	33,050,934	35,028,956	33,486,515	35,091,644