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, 2026
Jun. 30, 2026
Sep. 30, 2025
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance $ 6,349,820 $ 4,985,071 $ 4,692,453
Ending balance 6,523,407 6,349,820 4,985,071
Accumulated Other Comprehensive Income (Loss)      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (34,453) 671 1,201
Ending balance (59,406) (34,453) $ 671
Currency Translation Adjustments      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (69,520)    
Ending balance (66,136) (69,520)  
Unrealized Gains (Losses) on Available-for-Sale Securities      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (6,834)    
Ending balance (19,245) (6,834)  
Unrealized Gains (Losses) on Derivatives      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 50,442    
Ending balance 34,106 50,442  
Unrealized Gains (Losses) on Defined Benefit Plans      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (8,541)    
Ending balance $ (8,131) $ (8,541)