v3.26.1
Fair Value Measurements (Details) - EBP 005 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments $ 1,096,966,921 $ 965,218,428
Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 252,101,862 230,333,902
Common stock - SPX Technologies, Inc.    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 249,252,699 196,604,436
Money market    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 7,505,185 6,392,366
Common collective trust funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 588,107,175 531,887,724
Investments (at fair value)    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 508,859,746 433,330,704
Investments (at fair value) | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 252,101,862 230,333,902
Investments (at fair value) | Common stock - SPX Technologies, Inc.    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 249,252,699 196,604,436
Investments (at fair value) | Money market    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 7,505,185 6,392,366
Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 508,859,746 433,330,704
Level 1 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 252,101,862 230,333,902
Level 1 | Common stock - SPX Technologies, Inc.    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 249,252,699 196,604,436
Level 1 | Money market    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 7,505,185 6,392,366
Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 0 0
Level 2 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 0 0
Level 2 | Common stock - SPX Technologies, Inc.    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 0 0
Level 2 | Money market    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 0 0
Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 0 0
Level 3 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 0 0
Level 3 | Common stock - SPX Technologies, Inc.    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 0 0
Level 3 | Money market    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments 0 0
NAV | Common collective trust funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total participant-directed investments $ 588,107,175 $ 531,887,724