INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jul. 27, 2019	Jul. 28, 2018
Deferred tax assets:
Leasing activities	$ 7,816	$ 7,396
Federal benefit of uncertain tax positions	0	182
Compensation related costs	4,750	2,795
Pension costs	1,474	1,673
Other	406	456
Total deferred tax assets	14,446	12,502
Deferred tax liabilities:
Tax over book depreciation	13,481	13,557
Patronage dividend receivable	3,270	3,281
Investment in partnerships	1,034	1,030
Other	123	47
Total deferred tax liabilities	17,908	17,915
Net deferred tax liability	$ (3,462)	$ (5,413)