CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Aug. 01, 2015
Net Income	$ 130,155	$ 125,766	$ 138,734
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	86,051	71,006	63,800
Deferred income tax (benefit) expense	(1,891)	12,480	15,339
Share-based compensation	25,675	15,308	13,981
Excess tax deficit (benefit) from share-based payment arrangements	1,320	83	(2,746)
Loss (gain) on disposals of property and equipment	943	458	(499)
Restructuring and asset impairment	640	758	803
Gain associated with acquisition of land	0	0	(2,824)
Gain associated with disposal of investment	(6,106)	0	0
Provision for doubtful accounts	5,728	6,426	5,059
Non-cash interest (income) expense	175	(106)	389
Changes in assets and liabilities, net of acquired companies:
Accounts receivable	(38,757)	29,417	(42,257)
Inventories	(6,929)	2,113	(153,701)
Prepaid expenses and other assets	(6,383)	5,381	4,541
Accounts payable	90,217	14,379	16,001
Accrued expenses and other liabilities	(62)	13,140	(7,756)
Net cash provided by operating activities	280,776	296,609	48,864
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(56,112)	(41,375)	(129,134)
Purchases of acquired businesses, net of cash acquired	(9,207)	(306,724)	(8,036)
Long-term investment	(2,000)	0	(3,000)
Gain associated with disposal of investment	9,192	0	0
Payment of company owned life insurance premiums	(2,000)	(2,925)	(2,925)
Proceeds from disposals of property and equipment	168	109	1,026
Net cash used in investing activities	(59,959)	(350,915)	(142,069)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from borrowings under revolving credit line	215,662	709,972	728,316
Repayments of borrowings under revolving credit line	(418,693)	(646,481)	(779,461)
Proceeds from issuance of long-term debt	0	0	150,000
Repayments of long-term debt	(11,546)	(11,255)	(11,197)
(Decrease) increase in bank overdraft	(7,445)	6,063	5,003
Proceeds from exercise of stock options	274	2,011	3,415
Payment of employee restricted stock tax withholdings	(1,313)	(1,717)	(2,430)
Excess tax (deficit) benefit from share-based payment arrangements	(1,320)	(83)	2,746
Capitalized debt issuance costs	(180)	(2,164)	(1,965)
Net cash (used in) provided by financing activities	(224,561)	56,346	94,427
Effect of exchange rate changes on cash and cash equivalents	565	(827)	42
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(3,179)	1,213	1,264
Cash and cash equivalents at beginning of period	18,593	17,380	16,116
Cash and cash equivalents at end of period	15,414	18,593	17,380
Supplemental disclosures of cash flow information:
Non-cash financing activity	0	0	14,088
Non-cash investing activity	0	0	14,088
Cash paid for interest	17,115	16,696	14,632
Cash paid for federal and state income taxes, net of refunds	$ 78,984	$ 67,028	$ 72,357