v3.26.1
Subsequent Events (FPS) - Narrative (Details) - Forgent Power Solutions, Inc.
$ / shares in Units, $ in Millions
Feb. 06, 2026
USD ($)
director
$ / shares
shares
Feb. 04, 2026
class
vote
$ / shares
shares
Dec. 31, 2025
$ / shares
shares
Jul. 24, 2025
$ / shares
shares
Jul. 21, 2025
$ / shares
shares
Subsequent Event [Line Items]          
Common stock authorized (in shares)     100 100 100
Common stock par value (in dollars per share) | $ / shares     $ 0.001 $ 0.001 $ 0.001
Subsequent Event          
Subsequent Event [Line Items]          
Preferred stock authorized (in shares)   20,000,000      
Preferred stock par value (in dollars per share) | $ / shares   $ 0.00001      
Number of classes of board of directors | class   3      
Number of votes per common share held | vote   1      
Percentage of amount of tax savings due to equity owners under agreement   8500.00%      
Subsequent Event | Continuing Equity Owners          
Subsequent Event [Line Items]          
Number of entitled director nominations to the board | director 5        
Subsequent Event | 2026 Incentive Award Plan [Member] | Restricted Stock Units (RSUs)          
Subsequent Event [Line Items]          
Awards granted (in shares) 670,185        
Grant date fair value of awards granted (in dollars per share) | $ / shares $ 27        
Aggregate fair value of awards granted | $ $ 18.1        
Subsequent Event | 2026 Incentive Award Plan [Member] | Restricted Stock Units (RSUs) | Minimum          
Subsequent Event [Line Items]          
Awards vesting period 1 year        
Subsequent Event | 2026 Incentive Award Plan [Member] | Restricted Stock Units (RSUs) | Maximum          
Subsequent Event [Line Items]          
Awards vesting period 3 years        
Subsequent Event | The Corporation | Continuing Equity Owners          
Subsequent Event [Line Items]          
Minimum percentage of outstanding voting stock entitling board nominations 3500.00%        
Minimum percentage of voting stock requiring prior written consent for certain corporate actions 2500.00%        
Subsequent Event | Forgent Intermediate LLC          
Subsequent Event [Line Items]          
Equity interests acquired 100.00%        
Subsequent Event | Common Class B          
Subsequent Event [Line Items]          
Common stock authorized (in shares)   100,000,000      
Common stock par value (in dollars per share) | $ / shares   $ 0.00001      
Subsequent Event | Common Class B | Opco LLC          
Subsequent Event [Line Items]          
Ratio of Opco LLC Interests held by Existing Owners and number of common stock shares held by Existing Owners required to issue shares   1      
Stock cancelation ratio if Existing Owners elect to redeem Opco LLC Interests   1      
Subsequent Event | Common Class A          
Subsequent Event [Line Items]          
Common stock authorized (in shares)   2,000,000,000      
Common stock par value (in dollars per share) | $ / shares   $ 0.00001      
Subsequent Event | Common Class A | Forgent Intermediate LLC          
Subsequent Event [Line Items]          
Shares exchanged for equity interests acquired (in shares) 210,055,933        
Subsequent Event | Common Class A | Opco LLC          
Subsequent Event [Line Items]          
Shares exchanged for equity interests acquired (in shares) 4,205,321        
Required ratio between number of common stock issued by the Corporation and number of interests owned by the Corporation 1        
Subsequent Event | Private Placement | Common Class B          
Subsequent Event [Line Items]          
Number of shares issued in transaction (in shares) 90,167,635        
Conversion ratio for shares issued 1