Goodwill & Intangible Assets, Net (Summary of Intangible Assets Footnote) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Weighted average remaining useful life	6 years 5 months 16 days
Gross capitalized software held under capital lease	$ 0.8	$ 4.1
Amortization of capitalized software held under capital lease	$ 0.8	$ 3.1
Maximum [Member] | Capitalized Software [Member]
Business Acquisition [Line Items]
Weighted average remaining useful life	7 years
Maximum [Member] | Patents, Copyrights And Trademarks [Member]
Business Acquisition [Line Items]
Weighted average remaining useful life	25 years
Minimum [Member] | Capitalized Software [Member]
Business Acquisition [Line Items]
Weighted average remaining useful life	2 years
Minimum [Member] | Patents, Copyrights And Trademarks [Member]
Business Acquisition [Line Items]
Weighted average remaining useful life	6 years