REVENUES (Narrative) (Details)	3 Months Ended		9 Months Ended		24 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) item	Sep. 30, 2017 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2019 USD ($)
Revenue Recognition [Line Items]
Revenues	$ 1,240,197,000	$ 1,094,715,000	$ 3,294,822,000	$ 2,912,806,000
Number of quarries | item			8
Proceeds from sale of future production					$ 226,926,000
Term of the VPPs			25 years
Service [Member]
Revenue Recognition [Line Items]
Revenues	70,385,000	35,628,000	$ 145,127,000	81,212,000
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						$ 7,470,000
Asphalt [Member]
Revenue Recognition [Line Items]
Revenues	231,700,000	189,940,000	$ 547,363,000	461,474,000
Aggregates [Member]
Revenue Recognition [Line Items]
Revenues	$ 904,866,000	$ 787,325,000	$ 2,431,919,000	$ 2,136,062,000
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%