Debt (Tables)

12 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

As of September 30, 2018 and 2017, we had the following long-term borrowing obligations:

	September 30,
	2018			2017
	(in thousands)
6.000% Senior notes due 2024	$	500,000		$	500,000
Credit facility-revolver	148,125			218,125
Total debt	648,125			718,125
Unamortized debt issuance costs for the Senior notes (1)	(4,857		)	(5,719		)
Total debt, net of issuance costs (2)	$	643,268		$	712,406
(1) Unamortized debt issuance costs related to the credit facility were $3.8 million and $2.0 million as of September 30, 2018 and September 30, 2017, respectively, and were included in other assets.
(2) As of September 30, 2018 and 2017, all debt was included in long-term debt.