Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,206,071	$ 1,163,567	$ 1,199,013
Accumulated depreciation and depletion	798,744	778,438	813,977
Property and equipment, net	407,327	385,129	385,036
Equipment and vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	770,882	731,224	762,121
Quarry property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	179,735	178,357	171,924
Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	111,714	110,294	111,058
Building and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	82,733	82,871	82,651
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 61,007	$ 60,821	$ 71,259