v3.26.1
INCOME TAXES - Effective income tax rate (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Amount                      
Provision for income taxes at federal statutory rate                 $ 40,477    
State tax expense, net of federal income tax benefit                 $ 1,003    
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration]                 stpr:MA, stpr:MN, stpr:NY, stpr:TX    
Effects of cross-border tax laws:                      
Foreign Derived Intangible Income (FDII) benefit                 $ (2,973)    
Other effects of cross-border tax laws                 901    
Research and development tax credits                 (2,054)    
Changes in valuation allowance                 2,527    
Officers' compensation                 4,771    
Other                 (4,332)    
Changes in unrecognized tax benefit                 (261)    
Total provision $ 14,530 $ 9,003 $ 9,383 $ 5,119 $ 13,050 $ 6,855 $ 11,519 $ 5,033 $ 38,035 $ 36,457 $ 33,060
Tax Jurisdiction of Domicile [Extensible Enumeration]                 United States    
Effective income tax rate                      
Provision for income taxes at federal statutory rate                 21.00% 21.00% 21.00%
State tax expense, net of federal income tax benefit                 0.50% 1.10% 0.90%
Patent box benefit                   (2.80%) (3.20%)
Other                   (0.10%) 0.90%
Effects of cross-border tax laws:                      
Foreign Derived Intangible Income (FDII) benefit                 (1.50%) (1.90%) (4.30%)
Other effects of cross-border tax laws                 0.40%    
Research and development tax credits                 (1.10%) (1.50%) (1.60%)
Changes in valuation allowance                 1.30% 0.20% 1.00%
Officers' compensation                 2.50% 3.20% 4.10%
Other                 (2.30%)    
Changes in unrecognized tax benefit                 (0.10%) (1.30%) 3.70%
Changes in prior year estimates                   0.30% (2.40%)
U.S. tax on foreign earnings                   0.20% 0.80%
Non-taxable earnings from acquisitions                   (0.50%) (0.80%)
Global intangible low-taxed income, net of foreign tax credits                   (0.90%) (0.80%)
Stock compensation                   0.90% 0.50%
Foreign income subject to tax at other than federal statutory rate                   2.10% 1.70%
Effective income tax rate                 19.70% 19.60% 20.50%
United Kingdom                      
Amount                      
Patent box benefit                 $ (5,435)    
Other                 $ 1,324    
Effective income tax rate                      
Patent box benefit                 (2.80%)    
Other                 0.70%    
Other foreign                      
Amount                      
Other                 $ 2,087    
Effective income tax rate                      
Other                 1.10%