Property And Equipment (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property And Equipment [Abstract]
Depreciation	$ 5.4	$ 5.1	$ 4.1
Capitalized software developed for internal use	0.8	4.4	1.8
Capitalized software costs, net of accumulated depreciation	$ 4.0	$ 5.4