PENSION PLANS - Schedule of Net Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 23, 2016	Apr. 25, 2015	Apr. 23, 2016	Apr. 25, 2015
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	$ 774	$ 910	$ 2,982	$ 2,730
Interest cost on projected benefit obligations	770	764	2,424	2,292
Expected return on plan assets	(927)	(928)	(2,807)	(2,784)
Amortization of net losses	399	324	1,363	972
Net periodic pension cost	$ 1,016	$ 1,070	$ 3,962	$ 3,210