GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2019

GOODWILL AND INTANGIBLE ASSETS [Abstract]

Changes in Carrying Amount of Goodwill by Reportable Segment

in thousands	Aggregates	Asphalt	Concrete	Calcium	Total
Goodwill
Totals at December 31, 2017	$   3,030,688	$     91,633	$              0	$              0	$  3,122,321
Goodwill of acquired businesses 1	43,075	0	0	0	43,075
Totals at December 31, 2018	$   3,073,763	$     91,633	$              0	$              0	$  3,165,396
Goodwill of acquired businesses 1	1,665	0	0	0	1,665
Totals at December 31, 2019	$   3,075,428	$     91,633	$              0	$              0	$  3,167,061

¹ See Note 19 for a summary of recent acquisitions.

Gross Carrying Amount and Accumulated Amortization by Major Intangible Asset Class

in thousands	2019	2018
Gross Carrying Amount
Contractual rights in place	$    1,132,958	$  1,107,838
Noncompetition agreements	7,667	7,667
Permitting, permitting compliance and zoning rights	136,646	126,538
Other 1	11,951	13,996
Total gross carrying amount	$    1,289,222	$  1,256,039
Accumulated Amortization
Contractual rights in place	$      (155,555)	$   (122,100)
Noncompetition agreements	(6,126)	(4,212)
Permitting, permitting compliance and zoning rights	(30,545)	(27,464)
Other 1	(5,521)	(6,885)
Total accumulated amortization	$      (197,747)	$   (160,661)
Total Intangible Assets Subject to Amortization, net	$    1,091,475	$  1,095,378
Intangible Assets with Indefinite Lives	0	0
Total Intangible Assets, net	$    1,091,475	$  1,095,378
Amortization Expense for the Year	$         40,541	$       34,924

¹ Includes customer relationships, tradenames and trademarks and for 2018, favorable leases (in 2019, favorable leases were reclassified as lease right-of-use assets).

Estimated Amortization Expense

in thousands
Estimated Amortization Expense for Five Subsequent Years
2020	$        36,341
2021	35,451
2022	33,047
2023	32,110
2024	30,491