Debt Short-Term Borrowings and Long-Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Borrowing capacity remaining	$ 97.2
Debt Instrument, Face Amount	350.0
Bank Overdrafts	28.2	$ 31.6
Other Short-term Borrowings	36.0	57.9
Short-term borrowings	64.2	89.5
Long-term Line of Credit, Noncurrent	433.6	905.4
Long-term debt, net of debt issuance costs	684.2	272.7
Debt, Long-term and Short-term, Combined Amount	1,182.0	1,267.6
Letters of Credit Outstanding, Amount	12.0	18.2
Line of Credit [Member]
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	16.4	19.6
Private Placement [Member]
Debt Instrument [Line Items]
Senior Notes	393.2
Long-term senior notes, 4.4%, due November 2022 [Member]
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	2.0	2.3
Long-term debt, net of debt issuance costs	273.0	272.7
Long-term senior notes, Euro notes, 2.21%, due June 2029 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	175.0	0.0
Unamortized Debt Issuance Expense	1.2	0.0
Long-term debt, net of debt issuance costs	$ 205.6	$ 0.0
Debt Instrument, Interest Rate, Stated Percentage	2.21%	0.00%
Long-term senior notes, Euro notes, 1.96%, due June 2027 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 175.0	$ 0.0
Unamortized Debt Issuance Expense	1.3	0.0
Long-term debt, net of debt issuance costs	$ 205.6	$ 0.0
Debt Instrument, Interest Rate, Stated Percentage	1.96%	0.00%
Long-Term Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 275.0	$ 275.0
Unamortized Debt Issuance Expense	$ 4.5	$ 2.3
Debt Instrument, Interest Rate, Stated Percentage	4.40%	4.40%

Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing.

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Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Contractual interest rate for funds borrowed, under the debt agreement.

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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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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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