XML 9 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Cover
Feb. 24, 2025
Feb. 27, 2024
Document Information [Line Items]    
Document Type 8-K  
Document Period End Date Feb. 24, 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, Postal Zip Code 24504  
Entity Address, State or Province VA  
Entity Address, City or Town Lynchburg,  
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  
Amendment Flag false  
Entity Central Index Key 0001486957