v3.26.1
FAIR VALUE MEASUREMENTS (Tables) - Enpro Inc. Retirement Savings Plan [Member]
12 Months Ended
Dec. 31, 2025
Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member]  
FAIR VALUE MEASUREMENTS [Abstract]  
Investments Measured at Fair Value
The following table sets forth by level, within the fair value hierarchy, the Plan’s investments at fair value as of December 31, 2025:
 
                  
     Level 1     Level 2     Level 3     Total  
 
Mutual funds
 $162,888,399   $   $   $162,888,399 
 
Employer securities
  10,294,738            10,294,738 
 
Interest-bearing cash
  595            595 
 
Self-directed investments
  16,723,284            16,723,284 
 
Total investments in the fair value hierarchy
 $189,907,016   $   $   $189,907,016 
 
Investments measured at NAV, as a practical expedient
                 224,035,994 
 
Investments, at fair value
                $413,943,010 
The following table sets forth by level, within the fair value hierarchy, the Plan's investments at fair value as of December 31, 2024:
 
                  
     Level 1     Level 2     Level 3     Total  
 
Mutual funds
 $144,336,182   $   $   $144,336,182 
 
Employer securities
  7,965,580            7,965,580 
 
Interest-bearing cash
  555            555 
 
Self-directed investments
  14,930,354            14,930,354 
 
Total investments in the fair value hierarchy
 $167,232,671   $   $   $167,232,671 
 
Investments measured at NAV, as a practical expedient
                 199,503,439 
 
Investments, at fair value
                $366,736,110 
Fair Value Measured at Net Asset Value Per Share [Member]  
FAIR VALUE MEASUREMENTS [Abstract]  
Investments Measured at Fair Value
The following table summarizes investments measured at fair value based on NAV per share, as a practical expedient, as of December 31, 2025 and 2024, respectively.
 
              
 
December 31, 2025
  Fair Value     Unfunded
Commitments
  Redemption
Frequency (if
currently eligible)
  Redemption
Notice Period
 
 Collective Trust Funds -Target Date  $173,377,184     None  
Daily
  1 to 5 days  
 
Collective Trust Funds - Income
 $20,460,497     None   Daily  
1 to 5 days
 
 
Collective Trust Funds – Stable Value
 $17,590,673     None   Daily  
0 to 10 days
 
 
Collective Trust Funds – Small-Mid Cap
 $12,607,640     None   Daily  
0 to 10 days
 
 
              
 
December 31, 2024
  Fair Value     Unfunded
Commitments
  Redemption
Frequency (if
currently eligible)
  Redemption
Notice Period
 
 Collective Trust Funds -Target Date  $153,849,810     None   Daily  
1 to 5 days
 
 
Collective Trust Funds - Income
 $12,805,582     None   Daily   1 to 5 days  
 
Collective Trust Funds – Stable Value
 $17,635,578     None   Daily   0 to 10 days  
 
Collective Trust Funds – Small-Mid Cap
 $15,212,469     None   Daily   0 to 10 days