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 expense from continuing operations	$ 16.2	$ 14.1	$ 14.9
Other assets	0.9	0.9
Impairment charges	0.9	3.0
Deferred gains related to sale-leaseback transactions	$ 1.6	$ 2.0