Business Segments - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2016 USD ($) Segment	Mar. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Reportable business segments | Segment	3
Total revenues	$ 788,734,000	$ 691,347,000
Net Sales	733,960,000	631,876,000
Earnings (Loss) from Operations	83,769,000	25,571,000
Gross profit (loss)	144,634,000	74,261,000
Operating Segments | Cement
Segment Reporting Information [Line Items]
Total revenues	73,551,000	102,100,000
Net Sales	69,873,000	96,565,000
Earnings (Loss) from Operations	26,316,000	12,229,000
Operating Segments | Cement | California
Segment Reporting Information [Line Items]
Total revenues		33,759,000
Net Sales		32,511,000
Earnings (Loss) from Operations		7,421,000
Gross profit (loss)		(4,046,000)
Intersegment Eliminations | Cement
Segment Reporting Information [Line Items]
Total revenues	$ 27,147,000	$ 18,377,000