v3.26.1
Shareholders' Equity - Schedule of Forward Sales Agreement (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
shares
Forward Contract Indexed to Issuer's Equity [Line Items]  
Shares available (in shares) | shares 6,128,939
Net proceeds available | $ $ 936,841
Forward price (USD per share) | $ / shares $ 152.86
Forward Sales Equity Agreement Maturing Quarter December 31, 2026  
Forward Contract Indexed to Issuer's Equity [Line Items]  
Shares available (in shares) | shares 2,377,352
Net proceeds available | $ $ 334,047
Forward price (USD per share) | $ / shares $ 140.51
Forward Sales Equity Agreement Maturing Quarter March 31, 2027  
Forward Contract Indexed to Issuer's Equity [Line Items]  
Shares available (in shares) | shares 1,873,444
Net proceeds available | $ $ 287,072
Forward price (USD per share) | $ / shares $ 153.23
Forward Sales Equity Agreement Maturing Quarter June 30, 2027  
Forward Contract Indexed to Issuer's Equity [Line Items]  
Shares available (in shares) | shares 1,878,143
Net proceeds available | $ $ 315,722
Forward price (USD per share) | $ / shares $ 168.10