CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		6 Months Ended
		Jan. 29, 2021	Jan. 31, 2020
Cash flows from operating activities:
Net income		$ 184,680	$ 104,391
Net loss from unconsolidated subsidiary		0	9,564
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		53,770	58,277
Loss on disposition of property and equipment		1,933	4,005
Gain on sale and leaseback transaction		(217,722)	0
Impairment		0	664
Share-based compensation		3,966	3,920
Noncash lease expense		27,704	30,845
Amortization of asset recognized from gain on sale and leaseback transactions		6,368	0
Changes in assets and liabilities:
Inventories		4,323	(2,167)
Other current assets		(26,178)	(5,005)
Accounts payable		14,804	(10,779)
Other current liabilities		8,004	6,609
Deferred income taxes		65,347	12,043
Other long-term assets and liabilities		(5,683)	(28,363)
Net cash provided by operating activities		121,316	184,004
Cash flows from investing activities:
Purchase of property and equipment		(29,470)	(58,371)
Proceeds from insurance recoveries of property and equipment		246	82
Proceeds from sale of property and equipment		149,877	1,565
Notes receivable from unconsolidated subsidiary		0	(33,000)
Acquisition of business, net of cash acquired		(1,500)	(32,971)
Net cash provided by (used in) investing activities		119,153	(122,695)
Cash flows from financing activities:
Proceeds from issuance of long-term debt		0	215,000
Taxes withheld from issuance of share-based compensation awards		(1,999)	(1,994)
Principal payments under long-term debt		(75,049)	(155,000)
Purchases and retirement of common stock		0	(20,000)
Dividends on common stock		(31,578)	(63,359)
Net cash used in financing activities		(108,626)	(25,353)
Net increase in cash and cash equivalents		131,843	35,956
Cash and cash equivalents, beginning of period		436,996	36,884
Cash and cash equivalents, end of period		568,839	72,840
Cash paid during the period for:
Interest, net of amounts capitalized		20,434	8,564
Income taxes		1,038	5,277
Supplemental schedule of non-cash investing and financing activities:
Capital expenditures accrued in accounts payable	[1]	2,821	3,244
Change in fair value of interest rate swaps	[1]	4,886	(3,235)
Change in deferred tax asset for interest rate swaps	[1]	(1,219)	748
Dividends declared but not yet paid	[1]	$ 572	$ 32,231

[1] See Note 10 for additional supplemental disclosures related to leases.