INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jul. 29, 2017	Jul. 30, 2016
Deferred tax assets:
Leasing activities	$ 8,115	$ 7,922
Federal benefit of uncertain tax positions	304	282
Compensation related costs	2,543	4,209
Pension costs	6,410	11,097
Other	729	704
Total deferred tax assets	18,101	24,214
Deferred tax liabilities:
Tax over book depreciation	17,603	17,114
Patronage dividend receivable	5,164	5,270
Investment in partnerships	1,479	1,476
Other	0	171
Total deferred tax liabilities	24,246	24,031
Deferred Tax Liabilities, Net	$ (6,145)
Net deferred tax (liability) asset		$ 183