GOODWILL (Changes in Carrying Amount of Goodwill by Reportable Segment) (Details) $ in Thousands	6 Months Ended
Jun. 30, 2016 USD ($)
Goodwill, Beginning Balance	$ 3,094,824
Goodwill of acquired businesses	0
Goodwill of divested businesses	0
Goodwill, Ending Balance	3,094,824
Aggregates [Member]
Goodwill, Beginning Balance	3,003,191
Goodwill of acquired businesses	0
Goodwill of divested businesses	0
Goodwill, Ending Balance	3,003,191
Asphalt Mix [Member]
Goodwill, Beginning Balance	91,633
Goodwill of acquired businesses	0
Goodwill of divested businesses	0
Goodwill, Ending Balance	91,633
Concrete [Member]
Goodwill, Beginning Balance	0
Goodwill of acquired businesses	0
Goodwill of divested businesses	0
Goodwill, Ending Balance	0
Calcium [Member]
Goodwill, Beginning Balance	0
Goodwill of acquired businesses	0
Goodwill of divested businesses	0
Goodwill, Ending Balance	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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