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Debt Short-Term Borrowings and Long-Term Debt (Details) - USD ($)	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Document Period End Date	Sep. 30, 2019
Bank Overdrafts	$ 33,900,000	$ 17,000,000.0
Other Short-term Borrowings	66,500,000	15,700,000
Short-term borrowings	100,400,000	32,700,000
Long-term debt, net of debt issuance costs	653,300,000	671,500,000
Debt, Long-term and Short-term, Combined Amount	1,865,400,000	688,300,000
Line of Credit [Member]
Debt Instrument [Line Items]
Unamortized Debt Issuance Expense	13,200,000	15,900,000
Long-term senior notes, 4.4%, due November 2022 [Member]
Debt Instrument [Line Items]
Long-term debt, net of debt issuance costs	273,800,000	273,500,000
Debt Instrument, Face Amount	$ 275,000,000	$ 275,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.40%	4.40%
Unamortized Debt Issuance Expense	$ 1.2	$ 1.5
Long-term senior notes, Euro notes, 1.96%, due June 2027 [Member]
Debt Instrument [Line Items]
Long-term debt, net of debt issuance costs	189,800,000	199,000,000.0
Debt Instrument, Face Amount	$ 175,000,000	$ 175,000,000
Debt Instrument, Interest Rate, Stated Percentage	1.96%	1.96%
Unamortized Debt Issuance Expense	$ 1.0	$ 1.1
Long-term senior notes, Euro notes, 2.21%, due June 2029 [Member]
Debt Instrument [Line Items]
Long-term debt, net of debt issuance costs	189,700,000	199,000,000.0
Debt Instrument, Face Amount	$ 175,000,000	$ 175,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.21%	2.21%
Unamortized Debt Issuance Expense	$ 1.1	$ 1.1

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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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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Contractual interest rate for funds borrowed, under the debt agreement.

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

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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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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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