GOODWILL (Changes in Carrying Amount of Goodwill by Reportable Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Goodwill, gross carrying amount	$ 3,094,824us-gaap_GoodwillGross	$ 3,094,824us-gaap_GoodwillGross
Goodwill of acquired businesses	0us-gaap_GoodwillAcquiredDuringPeriod
Goodwill of divested businesses	0
Aggregates [Member]
Goodwill [Line Items]
Goodwill, gross carrying amount	3,003,191	3,003,191
Goodwill of acquired businesses	0
Goodwill of divested businesses	0
Asphalt Mix [Member]
Goodwill [Line Items]
Goodwill, gross carrying amount	91,633	91,633
Goodwill of acquired businesses	0
Goodwill of divested businesses	0
Concrete [Member]
Goodwill [Line Items]
Goodwill, gross carrying amount	0	0
Goodwill of acquired businesses	0
Goodwill of divested businesses	0
Calcium [Member]
Goodwill [Line Items]
Goodwill, gross carrying amount	0	0
Goodwill of acquired businesses	0
Goodwill of divested businesses	$ 0

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.

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

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

- Definition

Amount before 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.

+ References

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,h)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

+ Details

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- Details

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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