Goodwill And Intangible Assets (Weighted Average Amortization and Amortization Expense) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]
Amortization Expense	$ 8.0	$ 7.8	$ 6.3
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	5 years
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	5 years