CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jan. 24, 2015	Jul. 26, 2014
Current assets:
Cash and equivalents	$ 18,428	$ 20,672
Accounts receivable, net	267,286	272,741
Costs and estimated earnings in excess of billings	212,314	230,569
Inventories	43,768	49,095
Deferred tax assets, net	18,732	19,932
Other current assets	23,837	12,727
Total current assets	584,365	605,736
Property and equipment, net	207,148	205,413
Goodwill	269,465	269,088
Intangible assets, net	114,173	116,116
Other	18,382	16,001
Total non-current assets	609,168	606,618
Total assets	1,193,533	1,212,354
Current liabilities:
Accounts payable	52,114	63,318
Current portion of debt	12,500	10,938
Billings in excess of costs and estimated earnings	16,422	13,882
Accrued insurance claims	34,185	32,260
Other accrued liabilities	62,991	76,134
Total current liabilities	178,212	196,532
Long-term debt (including debt premium of $3.0 million and $3.2 million at January 24, 2015 and July 26, 2014, respectively)	421,418	446,863
Accrued insurance claims	38,348	33,782
Deferred tax liabilities, net non-current	45,596	45,361
Other liabilities	5,051	4,882
Total liabilities	688,625	727,420
COMMITMENTS AND CONTINGENCIES, Note 17
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: 33,991,094 and 33,990,589 issued and outstanding, respectively	11,331	11,330
Additional paid-in capital	122,279	131,819
Accumulated other comprehensive loss	(884)	(158)
Retained earnings	372,182	341,943
Total stockholders' equity	504,908	484,934
Total liabilities and stockholders' equity	$ 1,193,533	$ 1,212,354