OTHER ITEMS IMPACTING COMPARABILITY - Schedule of Other Items Impacting Comparability (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Income and Expenses [Abstract]
Restructuring and other, net	$ 3,028	$ 20,621
ERP implementation costs	7,631	10,326
Restructuring and other items, net	10,659	30,947
Gains on sale of properties	(1,505)	0
Choice lease liability insurance revenue	(777)	(9,358)
Other items impacting comparability, net	$ 8,377	$ 21,589