Debt (Schedule Of Debt) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Long-term debt	$ 1,071.0	$ 843.0
Less current portion and short-term debt	33.0	20.1
Total long-term debt, less current portion	1,038.0	822.9
Average year-end interest rate	3.76%	3.79%
Current portion and short-term debt, Average year-end interest rate	3.60%	3.42%
Total long-term debt, less current portion, Average year-end interest rate	3.76%	3.80%
Term Loan A [Member]
Debt Instrument [Line Items]
Long-term debt	237.5	250.0
Average year-end interest rate	3.47%	3.30%
Term Loan B [Member]
Debt Instrument [Line Items]
Long-term debt	788.5	545.9
Average year-end interest rate	4.00%	4.25%
Other [Member]
Debt Instrument [Line Items]
Long-term debt		2.1
Average year-end interest rate		1.98%
Tax Exempt Bonds [Member]
Debt Instrument [Line Items]
Long-term debt	$ 45.0	$ 45.0
Average year-end interest rate	1.00%	0.99%