INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jul. 25, 2020	Jul. 27, 2019
Deferred tax assets:
Lease liabilities	$ 98,149	$ 11,118
Tax credit carryforward	508	0
Compensation related costs	2,945	4,750
Pension costs	1,881	1,474
Other	752	406
Total deferred tax assets	104,235	17,748
Deferred tax liabilities:
Tax over book depreciation	23,626	13,481
Lease assets	92,021	3,302
Patronage dividend receivable	3,133	3,270
Investment in partnerships	1,076	1,034
Other	178	123
Total deferred tax liabilities	120,034	21,210
Net deferred tax liability	$ (15,799)	$ (3,462)