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Cash Overdrafts And Cash Equivalents (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Cash Overdrafts And Cash Equivalents [Abstract]
Cash overdrafts included in accounts payable	$ 7.0	$ 10.3
Cash equivalents	$ 57.2	$ 32.5
Cash equivalents weighted average rate of return	0.20%	0.10%

Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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