Goodwill And Other Intangible Assets (Schedule Of Carrying Values Of Indefinite Lived Intangible Assets)(Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 76,833	$ 11,365
Procurement Contracts And Agreements [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite lived intangible assets	2,013	2,013
Trademarks [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite lived intangible assets	$ 839	$ 860