Goodwill and Intangible Assets (Weighted Average Amortization Period by Intangible Asset Class) (Details)	3 Months Ended
	Mar. 31, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	5 years 6 months
Trademarks and patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	4 years 2 months
Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	4 years 8 months
Covenant not-to-compete [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	1 year 0 months
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	6 years 1 month