v3.25.2
Document and Entity Information
Jun. 13, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001486957
Document Period End Date Jun. 13, 2025
Entity Registrant Name BWX TECHNOLOGIES, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-34658
Entity Tax Identification Number 80-0558025
Entity Address, Address Line One 800 Main Street, 4th Floor
Entity Address, City or Town Lynchburg,
Entity Address, State or Province VA
Entity Address, Postal Zip Code 24504
City Area Code (980)
Local Phone Number 365-4300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol BWXT
Security Exchange Name NYSE
Entity Emerging Growth Company false
Document Type 8-K