Long-Term Debt (Schedule of Early Redemption Prices on 5.125% Senior Secured Notes) (Details) (Senior Secured Notes At 5.125 Due 2018 [Member], Senior Secured Notes [Member])	Sep. 30, 2012
Period from August 15, 2015 to August 14, 2016 [Member]
Debt Instrument [Line Items]
Future Redemption Price of Debt During Eligibility Period, as a Percentage of Principal Amount	102.563%
Period from August 15, 2016 to August 14, 2017 [Member]
Debt Instrument [Line Items]
Future Redemption Price of Debt During Eligibility Period, as a Percentage of Principal Amount	101.281%
Period from August 15, 2017 Thereafter [Member]
Debt Instrument [Line Items]
Future Redemption Price of Debt During Eligibility Period, as a Percentage of Principal Amount	100.00%