GOODWILL (Tables)

3 Months Ended

Mar. 31, 2020

GOODWILL [Abstract]

Changes in Carrying Amount of Goodwill by Reportable Segment

in thousands	Aggregates	Asphalt	Concrete	Calcium	Total
Goodwill
Totals at December 31, 2019	$    3,075,428	$     91,633	$              0	$              0	$    3,167,061
Totals at March 31, 2020	$    3,075,428	$     91,633	$              0	$              0	$    3,167,061