INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jul. 30, 2016	Jul. 25, 2015
Deferred tax assets:
Leasing activities	$ 7,922	$ 7,882
Federal benefit of uncertain tax positions	282	230
Compensation related costs	4,209	3,696
Pension costs	11,097	13,333
Other	704	734
Total deferred tax assets	24,214	25,875
Deferred tax liabilities:
Tax over book depreciation	17,114	16,559
Patronage dividend receivable	5,270	5,193
Investment in partnerships	1,476	1,418
Other	171	172
Total deferred tax liabilities	24,031	23,342
Net deferred tax asset (liability)	$ 183	$ 2,533