Goodwill and Intangible Assets (Weighted Average Amortization Period by Intangible Asset Class) (Details)	6 Months Ended
	Jun. 30, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	5 years 7 months
Trademarks and patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	4 years 4 months
Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	4 years 9 months
Covenant not-to-compete [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	1 year
Customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	6 years 2 months