Goodwill and Other Intangible Assets (Weighted-Average Amortization Period) (Details)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period (in years)	8 years	8 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period (in years)	9 years 110 days	9 years 3 months 18 days
Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period (in years)	2 years 262 days	2 years 9 months 18 days
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period (in years)	6 years 170 days	6 years 3 months 18 days