Debt (Tables)

12 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

As of September 30, 2017 and 2016, we had the following long-term borrowing obligations:

	September 30,
	2017			2016
	(in thousands)
6.000% Senior notes due 2024	$	500,000		$	500,000
Credit facility-revolver	218,125			258,125
Total debt	718,125			758,125
Unamortized debt issuance costs for the Senior notes (1)	(5,719		)	(6,524		)
Total debt, net of issuance costs (2)	$	712,406		$	751,601
(1) Unamortized debt issuance costs related to the credit facility were $2.0 million and $4.2 million as of September 30, 2017 and September 30, 2016, respectively, and were included in other assets.
(2) As of September 30, 2017 and 2016 all debt was included in long-term debt.