Goodwill and Other Intangible Assets (Weighted-Average Amortization Period) (Details)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	8 years	8 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	9 years 140 days	9 years 3 months 18 days
Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	182 days	2 years 9 months 18 days
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period	6 years 70 days	6 years 3 months 18 days