GOODWILL AND INTANGIBLE ASSETS (Changes in Carrying Amount of Goodwill by Reportable Segment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2014
Goodwill, Beginning balance	$ 3,094,824
Goodwill of acquired businesses	0	$ 13,303
Goodwill, Ending balance	3,094,824	3,094,824
Aggregates [Member]
Goodwill, Beginning balance	3,003,191
Goodwill, Ending balance	3,003,191	3,003,191
Asphalt Mix [Member]
Goodwill, Beginning balance	91,633
Goodwill, Ending balance	91,633	91,633
Concrete [Member]
Goodwill, Beginning balance	0
Goodwill, Ending balance	0	0
Calcium [Member]
Goodwill, Beginning balance	0
Goodwill, Ending balance	$ 0	$ 0