CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jan. 25, 2014	Jan. 26, 2013
OPERATING ACTIVITIES:
Net income	$ 15,593	$ 13,323
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	46,987	36,130
Bad debt expense, net	498	32
Gain on sale of fixed assets	(2,435)	(2,407)
Deferred income tax provision (benefit)	898	(1,320)
Stock-based compensation	7,049	4,762
Write off of Deferred Debt Issuance Cost	0	321
Amortization of premium on long-term debt	(181)	(42)
Amortization of debt issuance costs and other	940	734
Excess tax benefit from share-based awards	(2,297)	(610)
Change in operating assets and liabilities:
Accounts receivable, net	20,084	27,528
Costs and estimated earnings in excess of billings, net	30,292	39,753
Other current assets and inventory	(13,194)	(3,518)
Other assets	(718)	(187)
Income taxes receivable/payable	(15,513)	(906)
Accounts payable	(15,586)	(11,897)
Accrued liabilities, insurance claims, and other liabilities	(4,551)	(10,455)
Net cash provided by operating activities	67,866	91,241
INVESTING ACTIVITIES:
Payments to Acquire Businesses, Net of Cash Acquired	0	(314,771)
Capital expenditures	(49,240)	(29,029)
Proceeds from sale of assets	4,964	2,845
Changes in restricted cash	(305)	(31)
Net cash used in investing activities	(44,581)	(340,986)
FINANCING ACTIVITIES:
Proceeds from issuance of 7.125% senior subordinated notes due 2021 (including $3.8 million premium on fiscal 2013 issuance)	0	93,825
Proceeds from issuance of 7.125% senior subordinated notes due 2021 (including $3.8 million premium on fiscal 2013 issuance)	0	125,000
Proceeds from borrowings on Senior Credit Agreement	221,000	180,500
Principal payments on Senior Credit Agreement	(247,125)	(160,500)
Debt Issuance Cost	0	(6,409)
Repurchases of common stock	(9,999)	(15,203)
Exercise of stock options and other	11,869	2,890
Restricted stock tax withholdings	(3,590)	(885)
Excess tax benefit from share-based awards	2,297	610
Principal payments on capital lease obligations	0	(74)
Net cash provided by financing activities	(25,548)	219,754
Net (decrease) increase in cash and equivalents	(2,263)	(29,991)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	18,607	52,581
CASH AND EQUIVALENTS AT END OF PERIOD	16,344	22,590
Cash paid during the period for:
Interest	12,972	8,854
Income taxes	25,517	11,239
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	4,461	2,471
Accrued costs for debt issuance included in accounts payable and accrued liabilities at period end	0	130
Accrued remaining purchase price of acquisition included in accrued liabilities at period end	$ 0	$ 4,710