BENEFIT PLANS - Asset Allocation Targets and Actual Allocation of Pension Plan Assets (Details)	Oct. 22, 2018
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	100.00%
Plan assets allocation, Total	100.00%
Domestic equity
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	20.80%
Plan assets allocation, Total	19.80%
International equity
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	6.00%
Plan assets allocation, Total	5.40%
Private equity
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	5.00%
Plan assets allocation, Total	5.00%
Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	64.80%
Plan assets allocation, Total	64.20%
Real estate
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	3.40%
Plan assets allocation, Total	5.60%