DEBT (Tables)

12 Months Ended

Sep. 30, 2015

DEBT

Schedule of components of unsecured long-term debt outstanding

	Principal				Unamortized Discount and Debt Issuance Costs
	September 30, 2015		September 30, 2014		September 30, 2015			September 30, 2014
	(in thousands)
Unsecured senior notes issued July 21, 2009:
Due July 21, 2015	$	—	$	40,000	$	—		$	(141	)
Due July 21, 2016		40,000		40,000		(498	)		(141	)
Unsecured revolving credit facility issued May 25, 2012		—		—		—			(581	)
Unsecured senior notes issued March 19, 2015:
Due March 19, 2025		500,000		—		(7,965	)		—
		540,000		80,000		(8,463	)		(863	)
Less long-term debt due within one year		40,000		40,000		(906	)		(365	)
Long-term debt	$	500,000	$	40,000	$	(7,557	)	$	(498	)

Schedule of aggregate maturities of long-term debt

At September 30, 2015, aggregate maturities of long-term debt are as follows (in thousands):

Years ending September 30,
2016	$	40,000
2017		—
2018		—
2019		—
2020		—
Thereafter	$	500,000
	$	540,000