Property And Equipment, Net (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property And Equipment, Net [Abstract]
Depreciation expense	$ 266.1	$ 219.5	$ 175.8
Non-cash capital expenditures	$ 11.4	$ 17.3