Business Segments - Additional Information (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) Segment	Sep. 30, 2015 USD ($)
Segment Reporting Information [Line Items]
Reportable business segments | Segment			3
Total revenues	$ 1,103,901,000	$ 1,082,249,000	$ 2,869,934,000	$ 2,695,014,000
Net Sales	1,038,344,000	1,005,218,000	2,687,740,000	2,487,342,000
Earnings (Loss) from Operations	240,355,000	179,498,000	511,867,000	342,052,000
Gross profit	292,568,000	262,505,000	683,903,000	536,918,000
Operating Segments | Cement
Segment Reporting Information [Line Items]
Total revenues	62,633,000	116,135,000	198,653,000	324,134,000
Net Sales	60,090,000	110,519,000	189,754,000	307,489,000
Earnings (Loss) from Operations	22,959,000	2,758,000	70,584,000	37,455,000
Operating Segments | Cement | California
Segment Reporting Information [Line Items]
Total revenues		31,866,000		101,541,000
Net Sales		30,781,000		98,048,000
Earnings (Loss) from Operations		28,947,000		36,853,000
Gain (loss) on divestiture included in earnings (loss) from operations		(28,709,000)		(29,888,000)
Gross profit		3,332,000		2,685,000
Intersegment Eliminations | Cement
Segment Reporting Information [Line Items]
Total revenues	$ 34,654,000	$ 25,349,000	$ 89,291,000	$ 64,304,000