PENSION PLANS - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Oct. 28, 2017 USD ($) pension_plan	Jul. 28, 2018 USD ($)
Defined Benefit Plan, Contributions by Employer	$ 510
Number of defined benefit pension plans | pension_plan	4
Scenario, Forecast [Member]
Estimated future employer contributions in current fiscal year		$ 3,500