Shareholders' Equity - Forward Sales Agreement (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares available (in shares) | shares	6,447,216
Net proceeds available | $	$ 700,895
Forward price (USD per share) | $ / shares	$ 108.71
Forward Sales Equity Agreement Maturing Quarter Ended September 29, 2023
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares available (in shares) | shares	5,527,318
Net proceeds available | $	$ 595,261
Forward price (USD per share) | $ / shares	$ 107.69
Forward Sales Equity Agreement Maturing Quarter Ended December 29, 2023
Forward Contract Indexed to Issuer's Equity [Line Items]
Shares available (in shares) | shares	919,898
Net proceeds available | $	$ 105,634
Forward price (USD per share) | $ / shares	$ 114.83