Fair value Of Financial Instruments (Narrative) (Details) - USD ($)	Sep. 30, 2015	Sep. 30, 2014	May. 10, 2012	Apr. 20, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfers between levels of valuation hierarchies	$ 0	$ 0
8 7/8% Senior Secured Second Lien Notes due January 15, 2017 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	8.875%		8.875%
9 7/8% Senior Subordinated Notes Due April 15, 2017 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	9.875%			9.875%
11 3/4% Senior Secured Due January 15, 2017 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate	11.75%