Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,212,526	$ 1,181,583	$ 1,206,071
Accumulated depreciation and depletion	800,352	774,933	798,744
Property and equipment, net	412,174	406,650	407,327
Equipment and vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	778,010	756,602	770,882
Quarry property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	177,427	174,839	179,735
Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	113,384	110,999	111,714
Building and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	83,914	82,762	82,733
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 59,791	$ 56,381	$ 61,007