REVENUES (Narrative) (Details) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) item	Sep. 30, 2018 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2020 USD ($)
Revenue Recognition [Line Items]
Revenues	[1]	$ 1,418,758	$ 1,240,197	$ 3,742,951	$ 3,294,822
Number of quarries | item				8
Proceeds from sale of future production						$ 226,926	$ 226,926
Term of the VPPs				25 years
Service [Member]
Revenue Recognition [Line Items]
Revenues		75,508	70,385	$ 175,280	145,127
Minimum [Member]
Revenue Recognition [Line Items]
Coverage of warranty provisions				9 months
Maximum [Member]
Revenue Recognition [Line Items]
Coverage of warranty provisions				1 year
Maximum [Member] | Construction Paving [Member]
Revenue Recognition [Line Items]
Costs for paving contracts expense, expected amortization period				1 year
Forecast [Member]
Revenue Recognition [Line Items]
Estimated deferred revenue to be recognized in the next 12 months								$ 7,500
Aggregates [Member]
Revenue Recognition [Line Items]
Revenues	[1]	$ 1,033,438	$ 904,866	$ 2,787,019	$ 2,431,919
Aggregates [Member] | Minimum [Member]
Revenue Recognition [Line Items]
Percent of shipments used for publicly funded construction				45.00%
Aggregates [Member] | Maximum [Member]
Revenue Recognition [Line Items]
Percent of shipments used for publicly funded construction				55.00%

[1] 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