INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jul. 28, 2018	Jul. 29, 2017
Deferred tax assets:
Leasing activities	$ 7,396	$ 8,115
Federal benefit of uncertain tax positions	182	304
Compensation related costs	2,795	2,543
Pension costs	1,673	6,410
Other	456	729
Total deferred tax assets	12,502	18,101
Deferred tax liabilities:
Tax over book depreciation	13,557	17,603
Patronage dividend receivable	3,281	5,164
Investment in partnerships	1,030	1,479
Other	47	0
Total deferred tax liabilities	17,915	24,246
Net deferred tax liability	$ (5,413)	$ (6,145)