Business Segments - Additional Information (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) Segment	Jun. 30, 2015 USD ($)
Segment Reporting Information [Line Items]
Reportable business segments | Segment			3
Total revenues	$ 977,298,000	$ 921,419,000	$ 1,766,032,000	$ 1,612,765,000
Net Sales	915,436,000	850,249,000	1,649,396,000	1,482,124,000
Earnings (Loss) from Operations	187,742,000	136,984,000	271,512,000	162,555,000
Gross profit (loss)	246,701,000	200,153,000	391,335,000	274,414,000
Operating Segments | Cement
Segment Reporting Information [Line Items]
Total revenues	62,468,000	105,899,000	136,019,000	207,999,000
Net Sales	59,791,000	100,405,000	129,664,000	196,970,000
Earnings (Loss) from Operations	21,309,000	22,468,000	47,626,000	34,697,000
Operating Segments | Cement | California
Segment Reporting Information [Line Items]
Total revenues		35,318,000		69,674,000
Net Sales		34,160,000		67,267,000
Earnings (Loss) from Operations		485,000		7,906,000
Gross profit (loss)		3,424,000		(647,000)
Intersegment Eliminations | Cement
Segment Reporting Information [Line Items]
Total revenues	$ 27,649,000	$ 20,854,000	$ 54,637,000	$ 38,955,000