Reclassification of Goodwill from Cement segment to West Group segment

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Business Segments - Additional Information (Detail)	3 Months Ended		6 Months Ended		12 Months Ended
Business Segments - Additional Information (Detail)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) Segment	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting Information [Line Items]
Reportable business segments \| Segment			3
Total revenues	$ (921,419,000)	$ (669,225,000)	$ (1,612,765,000)	$ (1,097,855,000)
Reclassification of goodwill					$ 600,000,000
Intersegment Eliminations
Segment Reporting Information [Line Items]
Total revenues	$ 20,854,000		$ 38,955,000