Debt (Tables)

12 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

As of September 30, 2016 and 2015, we had the following long-term borrowing obligations:

	September 30,
	2016			2015
	(in thousands)
6.000% Senior notes due 2024	$	500,000		$	—
Credit facility-revolver	258,125			193,125
Credit facility-term loan	—			475,000
Total debt	758,125			668,125
Unamortized debt issuance costs	(10,709		)	(7,587		)
Total debt, net of issuance costs	$	747,416		$	660,538
Reported as
Current portion of long-term debt	$	—		$	50,000
Long-term debt	758,125			618,125
Total debt	$	758,125		$	668,125