Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Borrowings - Schedule of Long-term Debt (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013	Jun. 30, 2014 Senior Notes [Member]	Sep. 30, 2013 Senior Notes [Member]	Jun. 30, 2014 Senior Notes [Member] 8 1/8% Senior Notes Maturing June 2016	Sep. 30, 2013 Senior Notes [Member] 8 1/8% Senior Notes Maturing June 2016	Jun. 30, 2014 Senior Notes [Member] 6 5/8% Senior Secured Notes	Sep. 30, 2013 Senior Notes [Member] 6 5/8% Senior Secured Notes	Jun. 30, 2014 Senior Notes [Member] 9 1/8% Senior Notes Maturing June 2018	Sep. 30, 2013 Senior Notes [Member] 9 1/8% Senior Notes Maturing June 2018	Jun. 30, 2014 Senior Notes [Member] 9 1/8% Senior Notes Maturing May 2019	Sep. 30, 2013 Senior Notes [Member] 9 1/8% Senior Notes Maturing May 2019	Jun. 30, 2014 Senior Notes [Member] 5 3/4% Senior Notes Maturing June 2019 [Member]	Apr. 03, 2014 Senior Notes [Member] 5 3/4% Senior Notes Maturing June 2019 [Member]	Sep. 30, 2013 Senior Notes [Member] 5 3/4% Senior Notes Maturing June 2019 [Member]	Jun. 30, 2014 Senior Notes [Member] 7 1/4% Senior Notes Maturing February 2023 [Member]	Sep. 30, 2013 Senior Notes [Member] 7 1/4% Senior Notes Maturing February 2023 [Member]	Feb. 01, 2013 Senior Notes [Member] 7 1/4% Senior Notes Maturing February 2023 [Member]	Jun. 30, 2014 Senior Notes [Member] 7 1/2% Senior Notes Maturing September 2021 [Member]	Sep. 30, 2013 Senior Notes [Member] 7 1/2% Senior Notes Maturing September 2021 [Member]	Jun. 30, 2014 Senior Notes [Member] TEU Senior Amortizing Notes	Sep. 30, 2013 Senior Notes [Member] TEU Senior Amortizing Notes	Jun. 30, 2014 Junior Subordinated Notes	Sep. 30, 2013 Junior Subordinated Notes	Jun. 30, 2014 Cash Secured Loan	Sep. 30, 2013 Cash Secured Loan	Jun. 30, 2014 Other Secured Notes Payable	Sep. 30, 2013 Other Secured Notes Payable
Debt Instrument [Line Items]
Stated interest rate on debt instrument (percent)					8.125%	8.125%	6.625%	6.625%	9.125%	9.125%	9.125%	9.125%	5.75%	5.75%		7.25%	7.25%	7.25%	7.50%	7.50%			7.987%
Senior notes					$ 172,879	$ 172,879	$ 300,000	$ 300,000	$ 0	$ 298,000	$ 235,000	$ 235,000	$ 325,000		$ 0	$ 200,000	$ 200,000		$ 200,000	$ 200,000	$ 8,317	$ 16,141
Unamortized debt discounts	(4,590)	(5,160)	(4,590)	(5,160)																			(45,600)
Long-term debt	$ 1,537,242	$ 1,512,183	$ 1,436,606	$ 1,416,860																			$ 55,220	$ 53,670	$ 22,368	$ 22,368	$ 23,048	$ 19,285