Financing Arrangements - Long-term Debt (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end		2.77%
Total debt	$ 1,444.8	$ 1,712.8
Less current maturities	10.9	64.7
Long-term debt	1,433.9	1,648.1
Senior Unsecured Notes - Variable Rate
Debt Instrument [Line Items]
Total debt	9.7	$ 132.7
Euro Term Loan - Variable Rate
Debt Instrument [Line Items]
Long-term debt, percentage bearing variable interest, percentage rate		1.13%
Total debt	$ 0.0	$ 54.4
Line of Credit Accounts Receivable Securitization
Debt Instrument [Line Items]
Line of credit facility, interest rate at period end	0.96%	2.77%
Total debt	$ 0.0	$ 98.2
Term Loan - Variable Rate
Debt Instrument [Line Items]
Long-term debt, percentage bearing variable interest, percentage rate	1.63%	2.92%
Total debt	$ 329.6	$ 338.5
Senior Unsecured Notes - 3.875%
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	3.875%
Total debt	$ 349.0	348.5
Euro Senior Unsecured Notes - 2.02%
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	2.02%
Total debt	$ 182.9	167.7
Senior Unsecured Notes - 4.5%
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	4.50%
Total debt	$ 396.5	396.1
Series A Medium Term Note
Debt Instrument [Line Items]
Total debt	$ 154.7	154.6
Series A Medium Term Note \| Minimum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	6.74%
Series A Medium Term Note \| Maximum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	7.76%
Fixed Rate Bank Loan (BEKA)
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	2.15%
Debt instrument, maturity date	Jun. 30, 2033
Total debt	$ 18.8	18.0
Other Long Term Debt
Debt Instrument [Line Items]
Total debt	$ 3.6	$ 4.1
United States \| Senior Unsecured Notes - Variable Rate
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	2.01%	2.85%
Europe \| Senior Unsecured Notes - Variable Rate
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	1.48%	1.00%

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

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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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