REVENUES (Tables)

6 Months Ended

Jun. 30, 2018

REVENUES [Abstract]

Revenues by Geographic Market

Our segment total revenues by geographic market for the three and six month periods ended June 30, 2018 and 2017 are disaggregated as follows:

	Three Months Ended June 30, 2018
in thousands	Aggregates	Asphalt	Concrete	Calcium	Total
Total Revenues by Geographic Market 1
East	$     313,245	$     49,339	$     69,605	$              0	$      432,189
Gulf Coast	493,696	38,845	18,354	2,282	553,177
West	149,324	123,644	18,764	0	291,732
Segment sales	$     956,265	$   211,828	$   106,723	$       2,282	$   1,277,098
Intersegment sales	(76,947)	0	0	0	(76,947)
Total revenues	$     879,318	$   211,828	$   106,723	$       2,282	$   1,200,151

	Three Months Ended June 30, 2017
in thousands	Aggregates	Asphalt	Concrete	Calcium	Total
Total Revenues by Geographic Market 1
East	$     281,304	$     29,775	$     59,647	$              0	$      370,726
Gulf Coast	384,793	24,444	25,501	1,971	436,709
West	151,489	121,539	20,065	0	293,093
Segment sales	$     817,586	$   175,758	$   105,213	$       1,971	$   1,100,528
Intersegment sales	(69,765)	0	0	0	(69,765)
Total revenues	$     747,821	$   175,758	$   105,213	$       1,971	$   1,030,763

	Six Months Ended June 30, 2018
in thousands	Aggregates	Asphalt	Concrete	Calcium	Total
Total Revenues by Geographic Market 1
East	$     496,459	$     61,068	$   131,175	$              0	$      688,702
Gulf Coast	888,271	53,488	43,554	4,224	989,537
West	271,192	201,107	32,956	0	505,255
Segment sales	$  1,655,922	$   315,663	$   207,685	$       4,224	$   2,183,494
Intersegment sales	(128,869)	0	0	0	(128,869)
Total revenues	$  1,527,053	$   315,663	$   207,685	$       4,224	$   2,054,625

	Six Months Ended June 30, 2017
in thousands	Aggregates	Asphalt	Concrete	Calcium	Total
Total Revenues by Geographic Market 1
East	$     463,762	$     39,154	$   113,897	$              0	$      616,813
Gulf Coast	752,006	42,480	51,807	3,857	850,150
West	252,118	189,900	28,259	0	470,277
Segment sales	$  1,467,886	$   271,534	$   193,963	$       3,857	$   1,937,240
Intersegment sales	(119,149)	0	0	0	(119,149)
Total revenues	$  1,348,737	$   271,534	$   193,963	$       3,857	$   1,818,091

1	The geographic markets are defined by states/countries as follows:
		East market — Arkansas, Delaware, Illinois, Kentucky, Maryland, North Carolina, Pennsylvania, Tennessee, Virginia, and Washington D.C. Gulf Coast market — Alabama, Florida, Georgia, Louisiana, Mexico, Mississippi, Oklahoma, South Carolina, Texas and the Bahamas West market — Arizona, California and New Mexico

Reconciliation of Deferred Revenue Balances

	Three Months Ended		Six Months Ended
	June 30		June 30
in thousands	2018	2017	2018	2017
Deferred Revenue
Balance at beginning of period	$     198,201	$     204,819	$     199,556	$     206,468
Revenue recognized from deferred revenue	(1,905)	(1,719)	(3,260)	(3,368)
Balance at end of period	$     196,296	$     203,100	$     196,296	$     203,100