CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) $ in Thousands	3 Months Ended
	Nov. 01, 2019 USD ($)		Nov. 02, 2018 USD ($)
Cash flows from operating activities:
Net income	$ 43,223		$ 47,207
Net loss from unconsolidated subsidiary	5,980		0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	28,678		24,838
Loss on disposition of property and equipment	1,740		3,056
Impairment	664		0
Share-based compensation	1,798		2,089
Noncash lease expense	15,330		0
Changes in assets and liabilities:
Inventories	(33,534)		(25,316)
Other current assets	(10,875)		(6,691)
Accounts payable	11,848		8,824
Other current liabilities	(18,000)		3,633
Other long-term assets and liabilities	(2,017)		1,987
Net cash provided by operating activities	44,835		59,627
Cash flows from investing activities:
Purchase of property and equipment	(27,901)		(37,070)
Proceeds from insurance recoveries of property and equipment	73		324
Proceeds from sale of property and equipment	1,534		80
Notes receivable from unconsolidated subsidiary	(16,000)		0
Acquisition of business, net of cash acquired	(32,971)		0
Net cash used in investing activities	(75,265)		(36,666)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	129,000		400,000
Taxes withheld from issuance of share-based compensation awards	(1,994)		(2,016)
Principal payments under long-term debt	(44,000)		(400,000)
Purchases and retirement of common stock	(14,188)		0
Deferred financing costs	0		(3,022)
Dividends on common stock	(32,063)		(30,948)
Net cash provided by (used in) financing activities	36,755		(35,986)
Net increase (decrease) in cash and cash equivalents	6,325		(13,025)
Cash and cash equivalents, beginning of period	36,884		114,656
Cash and cash equivalents, end of period	43,209		101,631
Cash paid during the period for:
Interest, net of amounts capitalized	4,174		2,570
Income taxes	167		219
Supplemental schedule of non-cash investing and financing activities:
Capital expenditures accrued in accounts payable	4,866	[1]	10,075	[1]
Change in fair value of interest rate swaps	(545)	[1]	1,699	[1]
Change in deferred tax asset for interest rate swaps	107	[1]	(406)	[1]
Dividends declared but not yet paid	$ 32,248	[1]	$ 31,010	[1]

[1] *See Note 11 for additional supplemental disclosures related to leases