Senior Notes (Tables)

12 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Senior Notes

The 2008 Senior Notes were issued in four series as follows:

Series	Amount		Interest Rate		Maturity Date
	(In millions)
A	$	41.0	6.37	%	May 7, 2013
B	$	40.0	6.37	%	May 7, 2015
C	$	63.0	6.71	%	May 7, 2015
D	$	131.0	7.18	%	May 7, 2018

The 2010 Senior Notes were issued in four series as follows:

Series	Amount		Interest Rate		Maturity Date
	(In millions)
E	$	60.0	4.72	%	July 14, 2016
F	$	72.0	5.04	%	July 14, 2017
G	$	28.0	5.42	%	July 14, 2019
H	$	85.0	5.59	%	July 14, 2020

Principal Amounts Carrying amounts and Fair Values of Senior Notes

The following table presents the principal amounts, carrying amounts and fair values for the Senior Notes at September 30, 2016 and 2015:

	September 30, 2016						September 30, 2015
	Principal		Carrying Amounts		Fair Value		Principal		Carrying Amounts		Fair Value
	(In thousands)						(In thousands)
The 2008 Senior Notes	$	131,000	$	131,000	$	139,902	$	131,000	$	131,000	$	144,009
The 2010 Senior Notes	$	185,000	$	185,000	$	195,715	$	245,000	$	245,000	$	257,563

Future Principal Payments For the Senior Notes

Future principal payments for the Senior Notes are as follows (in thousands):

Year Ended September 30,
2017	$	72,000
2018	131,000
2019	28,000
2020	85,000
Total	$	316,000