v3.26.1
RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES - Narrative (Details)
$ in Thousands
3 Months Ended 12 Months Ended 24 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2023
USD ($)
leasedOfficeSpace
Mar. 31, 2024
USD ($)
Restructuring Cost and Reserve [Line Items]            
Employee-related restructuring plan charges $ 56 $ 149        
Number of leased office space exited | leasedOfficeSpace         8  
ROU asset group impairments and adjustments           $ 26,500
Operating lease, ROU asset, impairment loss         $ 22,200  
Leasehold improvements, impairment loss         $ 4,300  
Acquisition related costs 6,529 $ 0        
United States            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         5  
Boston            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         1  
Philadelphia            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         1  
Phoenix            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         1  
San Francisco            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         2  
Europe            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         3  
The Netherlands            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         1  
London, England            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         1  
Paris, France            
Restructuring Cost and Reserve [Line Items]            
Number of leased office space exited | leasedOfficeSpace         1  
Employee-related reserves            
Restructuring Cost and Reserve [Line Items]            
Employee-related restructuring plan charges     $ 4,800 $ 7,900    
Employee-related reserves | Restructuring Activity 2026            
Restructuring Cost and Reserve [Line Items]            
Employee-related restructuring plan charges 100          
Restructuring reserve 300          
Employee-related reserves | Restructuring Activity 2025            
Restructuring Cost and Reserve [Line Items]            
Restructuring reserve 100          
Employee-related reserves | United States and Europe            
Restructuring Cost and Reserve [Line Items]            
Restructuring reserve related charges     4,600      
Employee-related reserves | United States and Europe | Restructuring Activity 2026            
Restructuring Cost and Reserve [Line Items]            
Restructuring reserve related charges 100          
Employee-related reserves | United States and Europe | Restructuring Activity 2025            
Restructuring Cost and Reserve [Line Items]            
Employee-related restructuring plan charges     $ 100      
Employee-related reserves | United States, Europe and Asia Pacific            
Restructuring Cost and Reserve [Line Items]            
Restructuring reserve related charges       7,700    
Employee-related reserves | United States | Restructuring Activity 2021            
Restructuring Cost and Reserve [Line Items]            
Employee-related restructuring plan charges       200    
Employee-related reserves | United States | Restructuring Activity 2024            
Restructuring Cost and Reserve [Line Items]            
Employee-related restructuring plan charges       $ 200    
Facility Closing            
Restructuring Cost and Reserve [Line Items]            
Employee-related restructuring plan charges         $ 2,000  
Restructuring reserve $ 600