GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2016

GOODWILL AND INTANGIBLE ASSETS [Abstract]

Changes in Carrying Amount of Goodwill by Reportable Segment

in thousands	Aggregates	Asphalt Mix	Concrete	Calcium	Total
Goodwill
Total as of December 31, 2014	$   3,003,191	$     91,633	$              0	$              0	$  3,094,824
Total as of December 31, 2015	$   3,003,191	$     91,633	$              0	$              0	$  3,094,824
Total as of December 31, 2016	$   3,003,191	$     91,633	$              0	$              0	$  3,094,824

Gross Carrying Amount and Accumulated Amortization by Major Intangible Asset Class

in thousands	2016	2015
Gross Carrying Amount
Contractual rights in place	$      742,085	$     735,935
Noncompetition agreements	6,757	2,800
Favorable lease agreements	9,479	16,677
Permitting, permitting compliance and zoning rights	112,058	99,513
Other 1	4,171	4,092
Total gross carrying amount	$      874,550	$     859,017
Accumulated Amortization
Contractual rights in place	$       (77,515)	$     (65,641)
Noncompetition agreements	(1,118)	(506)
Favorable lease agreements	(2,822)	(4,002)
Permitting, permitting compliance and zoning rights	(21,701)	(20,350)
Other 1	(2,342)	(1,939)
Total accumulated amortization	$     (105,498)	$     (92,438)
Total Intangible Assets Subject to Amortization, net	$      769,052	$     766,579
Intangible Assets with Indefinite Lives	0	0
Total Intangible Assets, net	$      769,052	$     766,579
Amortization Expense for the Year	$        17,565	$       15,618

1 Includes customer relationships and tradenames and trademarks.

Estimated Amortization Expense

in thousands
Estimated Amortization Expense for Five Subsequent Years
2017	$        16,308
2018	15,941
2019	16,222
2020	15,488
2021	14,288