0001732845 2020-06-03 2020-06-03 WestRock Co false 0001732845 8-K 2020-06-03 DE 001-38736 37-1880617 1000 Abernathy Road Atlanta GA 30328 (770) 448-2193 false false false false Common Stock, par value $0.01 per share WRK NYSE false