Long-Term Debt (Redemption Price) (Details)	12 Months Ended
	Dec. 31, 2011
2012 [Member]
Debt Instrument [Line Items]
Debt instrument redemption price, percentage of principal amount	104.75%
2013 [Member]
Debt Instrument [Line Items]
Debt instrument redemption price, percentage of principal amount	102.375%
2014 And Thereafter [Member]
Debt Instrument [Line Items]
Debt instrument redemption price, percentage of principal amount	100.00%