CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 29, 2017	Apr. 23, 2016	Apr. 29, 2017	Apr. 23, 2016
REVENUES:
Contract revenues	$ 786,338	$ 664,645	$ 2,286,693	$ 1,883,383
EXPENSES:
Costs of earned revenues, excluding depreciation and amortization	621,475	520,408	1,797,836	1,477,671
General and administrative (including stock-based compensation expense)	61,317	56,519	179,712	155,003
Depreciation and amortization	37,411	31,583	107,662	88,930
Total	720,203	608,510	2,085,210	1,721,604
Interest expense, net	(9,382)	(8,007)	(27,629)	(25,010)
Loss on debt extinguishment			0	(16,260)
Other income, net	4,793	4,323	6,737	6,866
Income before income taxes	61,546	52,451	180,591	127,375
Provision (benefit) for income taxes:
Current	25,519	14,842	61,165	20,026
Deferred	(2,769)	4,526	5,917	27,969
Total provision for income taxes	22,750	19,368	67,082	47,995
Net income	$ 38,796	$ 33,083	$ 113,509	$ 79,380
Earnings per common share:
Basic earnings per common share (in dollars per share)	$ 1.24	$ 1.02	$ 3.61	$ 2.43
Diluted earnings per common share (in dollars per share)	$ 1.22	$ 1.00	$ 3.54	$ 2.37
Shares used in computing earnings per common share:
Basic (in shares)	31,357,124	32,433,560	31,439,981	32,656,490
Diluted (in shares)	31,909,926	33,050,934	32,091,091	33,486,515