Debt (Tables)

6 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Schedule of Long-term Debt Obligations

As of March 31, 2023 and September 30, 2022, we had the following long-term debt obligations:

(in thousands)	March 31, 2023			September 30, 2022
4.000% Senior notes due 2028	$	500,000		$	500,000
3.625% Senior notes due 2025		500,000			500,000
Credit facility revolving line(1)		425,000			359,000
Credit facility term loan(1)		500,000			—
Total debt		1,925,000			1,359,000
Unamortized debt issuance costs for the senior notes(2)		(7,297	)		(8,372	)
Total debt, net of issuance costs	$	1,917,703		$	1,350,628

(1)Unamortized debt issuance costs related to the credit facility were $2.3 million included in Other current assets and $8.7 million included in Other assets on the Consolidated Balance Sheet as of March 31, 2023 and $2.7 million included in Other assets on the Consolidated Balance Sheet as of September 30, 2022.

(2)Unamortized debt issuance costs for the senior notes are included in Long-term debt on the Consolidated Balance Sheets.