Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

v2.4.0.8
Document And Entity Information (USD $)
12 Months Ended
Dec. 31, 2013
Feb. 27, 2014
Jun. 28, 2013
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2013    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY    
Trading Symbol ODFL    
Entity Registrant Name OLD DOMINION FREIGHT LINE INC/VA    
Entity Central Index Key 0000878927    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   86,164,917  
Entity Public Float     $ 2,626,693,513
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Well-known Seasoned Issuer Yes