Derivatives and Hedging Activities (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended					12 Months Ended				12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011	Dec. 31, 2011 12% Senior Notes due February 2014 [Member]	Dec. 31, 2010 12% Senior Notes due February 2014 [Member]	Dec. 31, 2011 5.625 % Senior Notes due July 2013 [Member]	Dec. 31, 2010 5.625 % Senior Notes due July 2013 [Member]	Dec. 31, 2011 Interest Rate Swap [Member]	Dec. 31, 2010 Interest Rate Swap [Member]	Dec. 31, 2011 Foreign Exchange Forward [Member]	Dec. 31, 2010 Foreign Exchange Forward [Member]	Dec. 31, 2011 Designated as Hedging Instrument [Member] Interest Rate Swap [Member]	Dec. 31, 2010 Designated as Hedging Instrument [Member] Interest Rate Swap [Member]
Derivatives And Hedging Activities (Textual) [Abstract]
Mark to market adjustment to record Increase or decrease in the carrying amount of the 12% and 5.625% Senior Notes							$ 2	$ 6
Proceeds from termination of interest rate swap	2	7
Loss from termination of interest rate swap	2	1
Reduction in interest expenses											(3)	(5)
Estimated fair value of foreign currency forward contract, asset									15
Estimated fair value of foreign currency forward contract, liability										0.3
Derivatives And Hedging Activities (Textual) [Abstract]
Debt Instrument, Interest Rate, Stated Percentage			12.00%	12.00%	5.625%	5.625%
Terminated an interest rate swap with notional amount interest rate swaps	50
Loss from termination of interest rate swap	2	1
Proceeds from termination of interest rate swap	$ 2	$ 7
Partial redemption of 12 % senior notes	12.00%
Period of LIBOR to pay interest under interest rate Swap agreements		1 month
Period of LIBOR to pay interest on remaining interest rate Swap agreements		6 months
Maximum original maturity period of Foreign Currency Forward Contracts	less than 12 months	less than 12 months