CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Apr. 28, 2018	Apr. 29, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 132,882	$ 91,286
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	65,982	63,930
Share-based compensation	21,712	18,702
Loss on disposals of property and equipment	111	825
Gain associated with disposal of investments	699	0
Excess tax deficit from share-based payment arrangements	0	1,403
Restructuring and asset impairment	3,370	711
Goodwill impairment	7,872	0
Deferred income taxes	(21,866)	(160)
Change in accounting estimate	(20,909)	0
Provision for doubtful accounts	8,805	4,847
Non-cash interest expense	594	79
Changes in assets and liabilities, net of acquired businesses:
Accounts receivable	(119,149)	(61,820)
Inventories	(165,049)	(19,758)
Prepaid expenses and other assets	10,317	(9,135)
Accounts payable	6,396	79,023
Accrued expenses and other liabilities	14,465	(6,836)
Net cash (used in) provided by operating activities	(55,166)	163,097
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(29,646)	(40,004)
Purchase of businesses, net of cash acquired	(29)	(9,198)
Proceeds from disposals of property and equipment	47	34
Proceeds from disposal of investments	756	0
Long-term investment	(3,397)	(2,000)
Net cash used in investing activities	(32,269)	(51,168)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt	(9,043)	(8,531)
Payments for Repurchase of Common Stock	(22,237)	0
Proceeds from borrowings under revolving credit line	500,061	154,412
Repayments of borrowings under revolving credit line	(394,671)	(276,443)
Increase in bank overdraft	23,890	19,075
Proceeds from exercise of stock options	602	165
Payment of employee restricted stock tax withholdings	(4,522)	(1,295)
Excess tax deficit from share-based payment arrangements	0	(1,403)
Capitalized debt issuance costs	0	(180)
Net cash provided by (used in) financing activities	94,080	(114,200)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(301)	(203)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	6,344	(2,474)
Cash and cash equivalents at beginning of period	15,414	18,593
Cash and cash equivalents at end of period	21,758	16,119
Supplemental disclosures of cash flow information:
Cash paid for interest	12,368	13,188
Cash paid for federal and state income taxes, net of refunds	$ 45,021	$ 58,199