Borrowings - Schedule of Long-term Debt (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2012
|
Sep. 30, 2011
|
---|---|---|
Debt Instrument [Line Items] | ||
Unamortized debt discounts | $ (20,348) | $ (23,243) |
Long-term debt | 1,442,407 | 1,488,826 |
Senior Notes
|
||
Debt Instrument [Line Items] | ||
Unamortized debt discounts | (20,348) | (23,243) |
Long-term debt | 1,125,377 | 1,132,152 |
Senior Notes | 6 7/8% Senior Notes Maturing July 2015
|
||
Debt Instrument [Line Items] | ||
Debt instrument stated interest rate (percent) | 6.875% | |
Senior notes | 172,454 | 172,454 |
Senior Notes | 8 1/8% Senior Notes Maturing June 2016
|
||
Debt Instrument [Line Items] | ||
Debt instrument stated interest rate (percent) | 8.125% | |
Senior notes | 172,879 | 172,879 |
Senior Notes | 12% Senior Secured Notes Maturing October 2017
|
||
Debt Instrument [Line Items] | ||
Debt instrument stated interest rate (percent) | 12.00% | |
Senior notes | 250,000 | 250,000 |
Senior Notes | 9 1/8% Senior Notes Maturing June 2018
|
||
Debt Instrument [Line Items] | ||
Debt instrument stated interest rate (percent) | 9.125% | |
Senior notes | 300,000 | 300,000 |
Senior Notes | 9 1/8% Senior Notes Maturing May 2019
|
||
Debt Instrument [Line Items] | ||
Debt instrument stated interest rate (percent) | 9.125% | |
Senior notes | 250,000 | 250,000 |
Senior Notes | TEU Senior Amortizing Notes
|
||
Debt Instrument [Line Items] | ||
Senior notes | 392 | 10,062 |
Convertible Subordinated Debt
|
||
Debt Instrument [Line Items] | ||
Long-term debt | 9,402 | 57,500 |
Junior Subordinated Notes
|
||
Debt Instrument [Line Items] | ||
Debt instrument stated interest rate (percent) | 7.987% | |
Unamortized debt discounts | 49,700 | |
Long-term debt | 51,087 | 49,537 |
Cash Secured Loan
|
||
Debt Instrument [Line Items] | ||
Long-term debt | 247,368 | 247,368 |
Other Secured Notes Payable
|
||
Debt Instrument [Line Items] | ||
Long-term debt | $ 9,173 | $ 2,269 |