Acquisitions (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Customer Relationships [Member]
Business Acquisition [Abstract]
Finite-lived Intangible Assets Acquired	$ 8.3
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 years
Contract based
Business Acquisition [Abstract]
Finite-lived Intangible Assets Acquired	4.4
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	43 years
Other Intangible Assets [Member]
Business Acquisition [Abstract]
Finite-lived Intangible Assets Acquired	$ 0.4
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	2 years