v3.26.1
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Aug. 26, 2024
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Income Tax Disclosure [Line Items]              
Provision (benefit) for income taxes   $ 33,660   $ 52,348 $ 226,193 $ 105,875  
Unrecognized tax benefits   50,900     50,900   $ 157,700
Income taxes payable   130,500     130,500   179,100
Accrued income taxes   85,200     85,200   28,700
Income tax provision upon recognition of unrecognized tax benefit   50,900     50,900    
Unrecognized tax benefits, increase in valuation allowance upon recognition   6,000     6,000    
Potential decrease in unrecognized tax benefits   1,000     1,000    
Solar energy equity investment              
Income Tax Disclosure [Line Items]              
Provision (benefit) for income taxes   7,200          
Investment program proportional amortization method elected income tax credits   78,800          
Partial offset of investment amortization   71,600          
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent              
Income Tax Disclosure [Line Items]              
Accrued income taxes   45,300     45,300   $ 150,400
IRS [Member]              
Income Tax Disclosure [Line Items]              
Provision (benefit) for income taxes         (7,100)    
Foreign Tax Jurisdiction [Member]              
Income Tax Disclosure [Line Items]              
Provision (benefit) for income taxes           $ (10,400)  
Varian Medical Systems, Inc. v. Commissioner tax court ruling              
Income Tax Disclosure [Line Items]              
Provision (benefit) for income taxes   $ 14,400          
Varian Medical Systems, Inc. v. Commissioner tax court ruling | Foreign Tax Jurisdiction [Member]              
Income Tax Disclosure [Line Items]              
Additional foreign tax credits $ 14,400            
Kepware and ThingWorx              
Income Tax Disclosure [Line Items]              
Provision (benefit) for income taxes     $ 102,400   $ 95,600