CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Apr. 25, 2015	Jul. 26, 2014
Current assets:
Cash and equivalents	$ 22,542	$ 20,672
Accounts receivable, net	265,772	272,741
Costs and estimated earnings in excess of billings	247,979	230,569
Inventories	45,205	49,095
Deferred tax assets, net	19,278	19,932
Other current assets	20,112	12,727
Total current assets	620,888	605,736
Property and equipment, net	226,328	205,413
Goodwill	269,465	269,088
Intangible assets, net	110,031	116,116
Other	30,404	16,001
Total non-current assets	636,228	606,618
Total assets	1,257,116	1,212,354
Current liabilities:
Accounts payable	64,463	63,318
Current portion of debt	0	10,938
Billings in excess of costs and estimated earnings	14,271	13,882
Accrued insurance claims	38,036	32,260
Other accrued liabilities	78,224	76,134
Total current liabilities	194,994	196,532
Long-term debt (including debt premium of $2.9 million and $3.2 million at April 25, 2015 and July 26, 2014, respectively)	446,692	446,863
Accrued insurance claims	39,487	33,782
Deferred tax liabilities, net non-current	48,815	45,361
Other liabilities	4,942	4,882
Total liabilities	734,930	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: 34,076,566 and 33,990,589 issued and outstanding, respectively	11,359	11,330
Additional paid-in capital	119,233	131,819
Accumulated other comprehensive loss	(846)	(158)
Retained earnings	392,440	341,943
Total stockholders' equity	522,186	484,934
Total liabilities and stockholders' equity	$ 1,257,116	$ 1,212,354