Debt (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Gains (Losses) on extinguishment of debt, less than	$ 0.1
Long-term debt	336.7us-gaap_LongTermDebt	373.5us-gaap_LongTermDebt
Current portion of long-term debt	27.2us-gaap_DebtCurrent	2.2us-gaap_DebtCurrent
Long-term debt, excluding current portion	309.5us-gaap_LongTermDebtNoncurrent	371.3us-gaap_LongTermDebtNoncurrent
Senior A Notes Due 2022 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	3.67%
Senior B Notes Due 2024 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	3.82%
Senior C Notes Due 2027 [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	4.02%
Term Loan Due 2014 [Member]
Debt Instrument [Line Items]
Long-term debt		0.1
Debt instrument, stated interest rate	8.40%
Series B Floating Rate Notes Due 2015 [Member]
Debt Instrument [Line Items]
Long-term debt	25.0	25.0
Debt instrument, stated interest rate	1.13%
EURO Note B Due 2016 [Member]
Debt Instrument [Line Items]
Long-term debt	74.3	84.1
Debt instrument, stated interest rate	4.38%
Capital leases Due through 2016 [Member]
Debt Instrument [Line Items]
Capital leases	0.2	0.4
Debt instrument, stated interest rate	6.00%
Revolving Credit Facility Due 2017 [Member]
Debt Instrument [Line Items]
Long-term debt	29.7	53.7
Debt instrument, stated interest rate	1.71%
Term Loan Due 2018 [Member]
Debt Instrument [Line Items]
Long-term debt	39.2	41.3
Debt instrument, stated interest rate	1.66%
Note Payable Due 2019 [Member]
Debt Instrument [Line Items]
Long-term debt	0.3	0.3
Senior Notes [Member]
Debt Instrument [Line Items]
Long-term debt	168.0
Senior Notes [Member] \| Senior A Notes Due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt	42.0	42.0
Debt instrument, stated interest rate	3.67%
Senior Notes [Member] \| Senior B Notes Due 2024 [Member]
Debt Instrument [Line Items]
Long-term debt	53.0	53.0
Debt instrument, stated interest rate	3.82%
Senior Notes [Member] \| Senior C Notes Due 2027 [Member]
Debt Instrument [Line Items]
Long-term debt	73.0	73.0
Debt instrument, stated interest rate	4.02%
Convertible Debt Due 2047 [Member]
Debt Instrument [Line Items]
Long-term debt		$ 0.6
Debt instrument, stated interest rate	4.00%

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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- Definition

Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

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

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Gains (Losses) on extinguishment of debt, less than

+ References

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