Long-Term Debt (Schedule of Early Redemption Prices on 8.125% Junior-Priority Secured Notes due 2024) (Details) - Junior-Priority Secured Notes at 8.125% Due 2024 [Member] - Junior-Priority Secured Notes [Member]	9 Months Ended
	Sep. 30, 2019
Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument Redemption Price Percentage	104.063%
Debt Instrument, Redemption Period, Start Date	Jun. 30, 2021
Debt Instrument, Redemption Period, End Date	Jun. 29, 2022
Debt Instrument, Redemption, Period Four [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument Redemption Price Percentage	102.031%
Debt Instrument, Redemption Period, Start Date	Jun. 30, 2022
Debt Instrument, Redemption Period, End Date	Jun. 29, 2023
Debt Instrument, Redemption, Period Five [Member]
Debt Instrument, Redemption [Line Items]
Debt Instrument Redemption Price Percentage	100.00%
Debt Instrument, Redemption Period, Start Date	Jun. 30, 2023
Debt Instrument, Redemption Period, End Date	Jun. 29, 2024