Cover Page Cover Page
Aug. 10, 2021
Mar. 02, 2021
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Aug. 10, 2021  
Entity Registrant Name VECTRUS, INC.  
Entity Incorporation, State or Country Code IN  
Entity File Number 001-36341  
Entity Tax Identification Number 38-3924636  
Entity Address, Address Line One 2424 Garden of the Gods Road  
Entity Address, Address Line Two Suite 300  
Entity Address, City or Town Colorado Springs  
Entity Address, State or Province CO  
Entity Address, Postal Zip Code 80919  
City Area Code 719  
Local Phone Number 591-3600  
Title of 12(b) Security Common Stock, Par Value $0.01 Per Share  
Trading Symbol VEC  
Security Exchange Name NYSE  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Entity Emerging Growth Company false  
Entity Central Index Key   0001601548
Amendment Flag   false