GOODWILL (Details) (USD $)	6 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2013 Aggregates	Mar. 31, 2013 Aggregates	Jun. 30, 2013 Aggregates		Jun. 30, 2013 Concrete		Jun. 30, 2013 Asphalt Mix		Jun. 30, 2013 Cement
Goodwill [Line Items]
Goodwill, gross carrying amount, Beginning balance	$ 3,339,380,000				$ 2,995,083,000	$ 2,995,083,000		$ 0		$ 91,633,000		$ 252,664,000
Goodwill of acquired businesses	4,698,000	[1]			4,698,000	4,698,000	[1]	0	[1]	0	[1]	0	[1]
Goodwill of divested businesses	(5,195,000)	[1]		(4,521,000)	(674,000)	(5,195,000)	[1]	0	[1]	0	[1]	0	[1]
Goodwill, gross carrying amount, Ending balance	3,338,883,000			2,994,586,000		2,994,586,000		0		91,633,000		252,664,000
Goodwill, accumulated impairment losses, Beginning balance	(252,664,000)				0	0		0		0		(252,664,000)
Goodwill, accumulated impairment losses, Ending balance	(252,664,000)			0		0		0		0		(252,664,000)
Goodwill, Beginning Balance	3,086,716,000		3,086,716,000		2,995,083,000	2,995,083,000		0		91,633,000		0
Goodwill, Ending Balance	$ 3,086,219,000		$ 3,086,716,000	$ 2,994,586,000		$ 2,994,586,000		$ 0		$ 91,633,000		$ 0

[1] The goodwill of acquired/divested businesses relates to the 2013 acquisitions/divestitures discussed in Note 16.