Debt (Tables)

9 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of Long-term Debt Obligations

At June 30, 2021 and September 30, 2020, we had the following long-term debt obligations:

(in thousands)	June 30, 2021			September 30, 2020
4.000% Senior notes due 2028	$	500,000		$	500,000
3.625% Senior notes due 2025		500,000			500,000
Credit facility revolver(1)		490,000			18,000
Total debt		1,490,000			1,018,000
Unamortized debt issuance costs for the senior notes(2)		(11,073	)		(12,686	)
Total debt, net of issuance costs	$	1,478,927		$	1,005,314

(1) Unamortized debt issuance costs related to the credit facility were $4.1 million and $4.9 million as of June 30, 2021 and September 30, 2020, respectively, and are included in other assets on the Consolidated Balance Sheets.

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