Goodwill and Intangible Assets (Weighted Average Amortization Period by Intangible Asset Class) (Details)	9 Months Ended
	Sep. 30, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	7 years 11 months 24 days
Trademarks and patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	9 years 9 months 30 days
Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	6 years 9 months
Covenant not-to-compete [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	4 years 4 months
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (years)	9 years 8 months