Shareholders' Equity - Schedule of Forward Sales Executed (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2024 USD ($) $ / shares shares
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares Available (in shares) | shares	11,290,120
Net Proceeds Available | $	$ 1,380,556
Forward Price (USD per share) | $ / shares	$ 122.28
June 30, 2025
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares Available (in shares) | shares	3,931,418
Net Proceeds Available | $	$ 452,840
Forward Price (USD per share) | $ / shares	$ 115.18
September 30, 2025
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares Available (in shares) | shares	815,655
Net Proceeds Available | $	$ 95,951
Forward Price (USD per share) | $ / shares	$ 117.64
December 31, 2025
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares Available (in shares) | shares	2,344,567
Net Proceeds Available | $	$ 296,217
Forward Price (USD per share) | $ / shares	$ 126.34
March 31, 2026
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares Available (in shares) | shares	3,627,033
Net Proceeds Available | $	$ 461,028
Forward Price (USD per share) | $ / shares	$ 127.11
June 30, 2026
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares Available (in shares) | shares	571,447
Net Proceeds Available | $	$ 74,520
Forward Price (USD per share) | $ / shares	$ 130.41