PENSION PLANS - Schedule of Net Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 29, 2022	Jan. 23, 2021	Jan. 29, 2022	Jan. 23, 2021
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 47	$ 54	$ 94	$ 108
Interest cost on projected benefit obligations	420	422	840	844
Expected return on plan assets	(409)	(483)	(818)	(966)
Amortization of net losses	126	147	252	294
Net periodic pension cost	$ 184	$ 140	$ 368	$ 280