Business Combinations and Assets Held for Sale - Additional Information (Detail) (Texas Industries Inc., USD $)	3 Months Ended
Mar. 31, 2015
Texas Industries Inc.
Business Combinations And Assets Held For Sale [Line Items]
Acquisition date	Jul. 01, 2014
Total revenues from operations included in the consolidated statement of earnings	$ 224,059,000
Total earnings from operations included in the consolidated statement of earnings	9,314,000
Acquisition integration expenses	$ 1,451,000

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

No definition available.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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