Borrowings (Tables)

12 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Schedule of long-term debt

As of September 30, 2017 and September 30, 2016, we had the following debt, net of premium/discounts and unamortized debt issuance costs:

(In thousands)	Maturity Date	September 30, 2017			September 30, 2016
5 3/4% Senior Notes	June 2019	$	321,393		$	321,393
7 1/2% Senior Notes	September 2021	—			198,000
8 3/4% Senior Notes	March 2022	500,000			500,000
7 1/4% Senior Notes	February 2023	199,834			199,834
6 3/4% Senior Notes	March 2025	250,000			—
Unamortized debt premium, net		3,413			2,362
Unamortized debt issuance costs		(14,800		)	(14,063		)
Total Senior Notes, net		1,259,840			1,207,526
Term Loan (net of unamortized discount of $880 and unamortized debt issuance costs of $1,451)	March 2018	—			52,669
Junior Subordinated Notes (net of unamortized accretion of $38,837 and $40,903, respectively)	July 2036	61,937			59,870
Other Secured Notes Payable	Various Dates	5,635			11,813
Total debt, net		$	1,327,412		$	1,331,878

Schedule of maturities of long-term debt

As of September 30, 2017, the future maturities of our borrowings were as follows:

Fiscal Year Ended September 30,
(In thousands)
2018	$	1,468
2019	325,479
2020	—
2021	—
2022	500,000
Thereafter	550,608
Total	$	1,377,555

Debt instrument redemption

Senior Note Description	Issuance Date	Maturity Date	Redemption Terms
5 3/4% Senior Notes	April 2014	June 2019	Callable at any time before March 15, 2019, in whole or in part, at a redemption price equal to 100% of the principal amount, plus a customary make-whole premium; on or after March 15, 2019, callable at 100% of the principal amount plus, in each case, accrued and unpaid interest
8 3/4% Senior Notes	September 2016	March 2022	Callable at any time prior to March 15, 2019, in whole or in part, at a redemption price equal to 100% of the principal amount, plus a customary make-whole premium; on or after March 15, 2019, callable at a redemption price equal to 104.375% of the principal amount; on or after March 15, 2020, callable at a redemption price equal to 102.188% of the principal amount; on or after March 15, 2021, callable at a redemption price equal to 100% of the principal amount plus, in each case, accrued and unpaid interest
7 1/4% Senior Notes	February 2013	February 2023	Callable at any time prior to February 1, 2018, in whole or in part, at a redemption price equal to 100% of the principal amount, plus a customary make-whole premium; on or after February 1, 2018, callable at a redemption price equal to 103.625% of the principal amount; on or after February 1, 2019, callable at a redemption price equal to 102.41% of the principal amount; on or after February 1, 2020, callable at a redemption price equal to 101.208% of the principal amount; on or after February 1, 2021, callable at 100% of the principal amount plus, in each case, accrued and unpaid interest
6 3/4% Senior Notes	March 2017	March 2025	Callable at any time prior to March 15, 2020, in whole or in part, at a redemption price equal to 100% of the principal amount, plus a customary make-whole premium; on or after March 15, 2020, callable at a redemption price equal to 105.063% of the principal amount; on or after March 15, 2021, callable at a redemption price equal to 103.375% of the principal amount; on or after March 15, 2022, callable at a redemption price equal to 101.688% of the principal amount; on or after March 15, 2023, callable at a redemption price equal to 100.000% of the principal amount, plus, in each case, accrued and unpaid interest