Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Goodwill And Other Intangible Assets [Line Items]
Amortization of intangible assets	$ 3.1	$ 1.2
Minimum [Member] | Customer Relationships [Member]
Goodwill And Other Intangible Assets [Line Items]
Estimated useful life	10 years
Minimum [Member] | Purchased Software Costs [Member]
Goodwill And Other Intangible Assets [Line Items]
Estimated useful life	2 years
Maximum [Member] | Customer Relationships [Member]
Goodwill And Other Intangible Assets [Line Items]
Estimated useful life	14 years
Maximum [Member] | Purchased Software Costs [Member]
Goodwill And Other Intangible Assets [Line Items]
Estimated useful life	10 years