SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Estimated Payments Undiscounted Under Our Self Insurance Program) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
2014	$ 22,151
2015	12,749
2016	8,229
2017	5,579
2018	$ 4,051

Estimated payments under self insurance program year three.

No definition available.

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