Goodwill & Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill & Intangible Assets [Abstract]
Amortization Expense	$ 19.7	$ 14.2	$ 17.2
Amortization Expense Recorded in Cost of Sales	5.8	4.9	6.0
Goodwill impairment	$ 0.0	$ 0.0	$ 0.3