Goodwill & Intangible Assets, Net (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization Expense	$ 19.0	$ 19.7	$ 14.2
Amortization Expense Recorded in Cost of Sales	$ 5.1	$ 5.8	$ 4.9
Weighted average remaining useful life	6 years 5 months 16 days