CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jan. 23, 2016	Jan. 24, 2015
OPERATING ACTIVITIES:
Net income	$ 46,297	$ 30,239
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisitions:
Depreciation and amortization	57,347	46,193
Deferred income tax provision	23,442	1,371
Stock-based compensation	8,708	7,554
Bad debt expense, net	471	327
Gain on sale of fixed assets	(2,152)	(3,182)
Write-off of deferred financing fees and premium on long-term debt	2,017	0
Amortization of debt discount	5,928	0
Amortization of debt issuance costs and other	1,285	793
Excess tax benefit from share-based awards	(11,323)	(2,426)
Change in operating assets and liabilities:
Accounts receivable, net	7,797	6,955
Costs and estimated earnings in excess of billings, net	(18,221)	20,577
Other current assets and inventory	(9,194)	152
Other assets	(3,827)	(2,926)
Income taxes receivable/payable	(24,438)	(9,120)
Accounts payable	(15,299)	(11,934)
Accrued liabilities, insurance claims, and other liabilities	(22,309)	(1,318)
Net cash provided by operating activities	46,529	83,255
INVESTING ACTIVITIES:
Cash paid for acquisitions, net of cash acquired	(48,804)	(9,821)
Capital expenditures	(90,878)	(38,772)
Proceeds from sale of assets	2,748	4,039
Changes in restricted cash	(479)	(541)
Net cash used in investing activities	(137,413)	(45,095)
FINANCING ACTIVITIES:
Proceeds from borrowings on senior credit agreement, including term loan	449,000	175,000
Principal payments on senior credit agreement, including term loan	(441,000)	(198,688)
Proceeds from issuance of 0.75% senior convertible notes due 2021	485,000	0
Proceeds from sale of warrants	74,690	0
Purchase of convertible note hedge	(115,818)	0
Principal payments for satisfaction and discharge of 7.125% senior subordinated notes	(277,500)	0
Debt issuance costs	(15,542)	0
Repurchases of common stock	(69,997)	(17,147)
Exercise of stock options	1,751	2,335
Restricted stock tax withholdings	(12,146)	(4,330)
Excess tax benefit from share-based awards	11,323	2,426
Net cash provided by (used in) financing activities	89,761	(40,404)
Net decrease in cash and equivalents	(1,123)	(2,244)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	21,289	20,672
CASH AND EQUIVALENTS AT END OF PERIOD	20,166	18,428
Cash paid during the period for:
Interest	8,927	12,769
Income taxes	30,198	28,136
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	$ 8,310	$ 2,577