Property, Plant And Equipment (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Property, Plant and Equipment [Abstract]
Depreciation	$ 97.4	$ 84.8	$ 89.8
Capital lease included in property, plant and equipment	7.8	8.0
Accumulated depreciation on capital leases	$ 2.6	$ 2.0