Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Commitments And Contingencies [Abstract]
Operating leases expiration year			2023
Rent expense	$ 1.9	$ 1.3	$ 5.9	$ 3.2
Capital lease payments, 2015	$ 0.3		$ 0.3