COMMITMENTS AND CONTINGENCIES (Summary Of Standby Letters Of Credit) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Standby Letters of Credit
Risk management insurance	$ 32,839
Industrial revenue bond	14,230
Reclamation/restoration requirements	6,250
Total	$ 53,319

The total amount of contingent obligations under letters of credit outstanding related to reclamation/restoration requirements as of the reporting date.

No definition available.

Name:	vmc_ContractualReclamationRestorationRequirements
Namespace Prefix:	vmc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant