Long-Term Debt (Financial Debt Covenants) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Debt Instrument [Line Items]
Annual Operating Lease Commitment, Requirement	$ 30.0
Maximum [Member]
Debt Instrument [Line Items]
Leverage Ratio (Consolidated Indebtedness/Consolidated Adj. EBITDA), Requirement	3.50
Fixed Charge Coverage Ratio (Consolidated Free Cash Flow/Consolidated Fixed Charges), Requirement	1.50
Minimum [Member]
Debt Instrument [Line Items]
Leverage Ratio (Consolidated Indebtedness/Consolidated Adj. EBITDA), Requirement	1.00
Fixed Charge Coverage Ratio (Consolidated Free Cash Flow/Consolidated Fixed Charges), Requirement	1.00