CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jan. 28, 2017	Jan. 23, 2016
OPERATING ACTIVITIES:
Net income	$ 74,713	$ 46,297
Adjustments to reconcile net income to net cash provided by operating activities, net of acquisitions:
Depreciation and amortization	70,252	57,347
Deferred income tax provision	8,687	23,442
Stock-based compensation	11,015	8,708
Bad debt expense, net	141	471
Gain on sale of fixed assets	(3,172)	(2,152)
Write-off of deferred financing fees and premium on long-term debt	0	2,017
Amortization of debt discount	8,686	5,928
Amortization of debt issuance costs and other	1,634	1,285
Excess tax benefit from share-based awards	(6,773)	(11,323)
Change in operating assets and liabilities:
Accounts receivable, net	19,108	7,797
Costs and estimated earnings in excess of billings, net	(30,369)	(18,221)
Other current assets and inventory	(17,659)	(9,194)
Other assets	753	(3,827)
Income taxes receivable/payable	(33,341)	(24,438)
Accounts payable	(14,694)	(15,299)
Accrued liabilities, insurance claims, and other liabilities	(24,790)	(22,309)
Net cash provided by operating activities	64,191	46,529
INVESTING ACTIVITIES:
Capital expenditures	(76,874)	(90,878)
Proceeds from sale of assets	4,334	2,748
Changes in restricted cash	(363)	(479)
Cash paid for acquisitions, net of cash acquired	0	(48,804)
Proceeds from Previous Acquisition	1,825	0
Net cash used in investing activities	(71,078)	(137,413)
FINANCING ACTIVITIES:
Proceeds from borrowings on senior credit agreement, including term loans	432,000	449,000
Principal payments on senior credit agreement, including term loans	(401,375)	(441,000)
Repurchases of common stock	(25,000)	(69,997)
Proceeds from issuance of 0.75% convertible senior notes due 2021	0	485,000
Proceeds from sale of warrants	0	74,690
Purchase of convertible note hedges	0	(115,818)
Principal payments for satisfaction and discharge of 7.125% senior subordinated notes	0	(277,500)
Debt issuance costs	(70)	(15,542)
Exercise of stock options	488	1,751
Restricted stock tax withholdings	(10,225)	(12,146)
Excess tax benefit from share-based awards	6,773	11,323
Net cash provided by financing activities	2,591	89,761
Net decrease in cash and equivalents	(4,296)	(1,123)
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD	33,787	21,289
CASH AND EQUIVALENTS AT END OF PERIOD	29,491	20,166
SUPPLEMENTAL DISCLOSURE OF OTHER CASH FLOW ACTIVITIES AND NON-CASH INVESTING AND FINANCING ACTIVITIES:
Cash paid for interest	8,108	8,927
Cash paid for taxes, net	69,539	30,198
Purchases of capital assets included in accounts payable or other accrued liabilities at period end	$ 6,302	$ 8,310