Quarterly report [Sections 13 or 15(d)]

FINANCIAL STATEMENT COMPONENTS - Accumulated Other Comprehensive Income (Loss) (Details)

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FINANCIAL STATEMENT COMPONENTS - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Jun. 30, 2025
Sep. 30, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance $ 4,692,453 $ 3,559,714 $ 3,368,328
Ending balance 4,985,071 4,692,453 3,559,714
Accumulated Other Comprehensive Income (Loss)      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 1,201 (25,504) (49,075)
Ending balance 671 1,201 $ (25,504)
Currency Translation Adjustments      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (57,277)    
Ending balance (53,353) (57,277)  
Unrealized Gains (Losses) on Available-for-Sale Securities      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 5,792    
Ending balance 7,636 5,792  
Unrealized Gains (Losses) on Derivatives      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 64,798    
Ending balance 58,354 64,798  
Unrealized Gains (Losses) on Defined Benefit Plans      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (12,112)    
Ending balance $ (11,966) $ (12,112)