Cover Page - shares	3 Months Ended
	Mar. 30, 2024	Apr. 26, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 30, 2024
Document Transition Report	false
Entity File Number	1-6948
Entity Registrant Name	SPX TECHNOLOGIES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	88-3567996
Entity Address, Address Line One	6325 Ardrey Kell Road
Entity Address, Address Line Two	Suite 400
Entity Address, City or Town	Charlotte
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28277
City Area Code	980
Local Phone Number	474-3700
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	SPXC
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		46,230,643
Entity Central Index Key	0000088205
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1