Property And Equipment, Net (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Property And Equipment, Net [Abstract]
Depreciation expense	$ 71.7	$ 69.5	$ 140.7	$ 133.0
Non-cash capital expenditures			$ 13.3		$ 11.4