Property, Plant And Equipment (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 102.2	$ 97.4	$ 84.8
Capital lease included in property, plant and equipment	10.9	7.8
Accumulated depreciation on capital leases	$ 3.7	$ 2.6