Financing Arrangements (Components Of Long-Term Debt) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Debt, current portion	$ 18.5	$ 18.6
Debt, excluding current, Unamortized discount and debt issuance cost	0.0	0.0
Aggregate maturities	1,274.1	1,163.5
Unamortized discount and debt issuance cost	15.8	16.9
Total debt	1,258.3	1,146.6
Total long-term debt, current portion	18.5	18.6
Total long-term debt, net of current portion, Principal Amount	1,255.6	1,144.9
Total long-term debt, net of current portion, Unamortized Discount And Debt Issuance Cost	15.8	16.9
Total long-term debt, net of current portion	1,239.8	1,128.0
Capital lease obligations, included in other debt	17.8	0.4
Senior Term Loan Due 2022 \| Loans Payable
Debt Instrument [Line Items]
Aggregate maturities	644.0	550.0
Unamortized discount and debt issuance cost	8.7	8.6
Total debt	635.3	541.4
5.25% Percent Senior Notes Due 2023 \| Senior Notes
Debt Instrument [Line Items]
Aggregate maturities	600.0	600.0
Unamortized discount and debt issuance cost	7.1	8.3
Total debt	592.9	591.7
Other Debt
Debt Instrument [Line Items]
Aggregate maturities	30.1	13.5
Unamortized discount and debt issuance cost	0.0	0.0
Total debt	$ 30.1	$ 13.5

Long-Term Debt, Current Maturities, Principal Amount

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Long-Term Debt, Current Maturities, Unamortized Discount And Debt Issuance Cost

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Long-Term Debt, Excluding Current Maturities, Principal Amount

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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