GOODWILL AND INTANGIBLE ASSTES (Tables)

12 Months Ended

Dec. 31, 2015

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, 2012	$   2,995,083	$     91,633	$              0	$              0	$  3,086,716
Goodwill of divested businesses 1	(5,195)	0	0	0	(5,195)
Total as of December 31, 2013	$   2,989,888	$     91,633	$              0	$              0	$  3,081,521
Goodwill of acquired businesses 1	13,303	0	0	0	13,303
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

1 Refer to Note 19 for additional details.

Gross Carrying Amount and Accumulated Amortization by Major Intangible Asset Class

in thousands	2015	2014
Gross Carrying Amount
Contractual rights in place	$      735,935	$     719,100
Noncompetition agreements	2,800	2,550
Favorable lease agreements	16,677	16,677
Permitting, permitting compliance and zoning rights	99,513	93,273
Other 1	4,092	4,067
Total gross carrying amount	$      859,017	$     835,667
Accumulated Amortization
Contractual rights in place	$       (65,641)	$     (54,019)
Noncompetition agreements	(506)	(119)
Favorable lease agreements	(4,002)	(3,489)
Permitting, permitting compliance and zoning rights	(20,350)	(18,270)
Other 1	(1,939)	(1,527)
Total accumulated amortization	$       (92,438)	$     (77,424)
Total Intangible Assets Subject to Amortization, net	$      766,579	$     758,243
Intangible Assets with Indefinite Lives	0	0
Total Intangible Assets, net	$      766,579	$     758,243
Amortization Expense for the Year	$        15,618	$       10,966

1 Includes customer relationships and tradenames and trademarks.

Estimated Amortization Expense

in thousands
Estimated Amortization Expense for Five Subsequent Years
2016	$        19,946
2017	20,797
2018	21,702
2019	19,746
2020	20,247