Debt (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term debt, gross	$ 233.0	$ 299.2
Less: current portion of long-term debt	2.5	69.3
Less: unamortized debt issuance costs	1.0	1.0
Long-term debt, excluding current portion	229.5	228.9
Euro Note B Due 2016 [Member]
Debt Instrument [Line Items]
Long-term debt, gross		66.8
Revolving credit facility, due 2020 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	28.2	27.1
Line of credit facility outstanding borrowings, Yen	4.4
Line of credit facility outstanding borrowings, Euro	23.8
Revolving credit facility, due 2020 [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	300.0
Term Loan Due 2018 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	36.6	37.1
Current portion of long-term debt	$ 2.5
Debt term	5 years
Notes Payable due 2019 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 0.2	0.2
Series A Notes, Due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	42.0	42.0
Series B Notes, Due 2024 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	53.0	53.0
Series C Notes, Due 2027 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 73.0	$ 73.0

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.

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

+ Details

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- Definition

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.

+ References

No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

+ Details

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- Definition

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.

+ References

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- Definition

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.

+ References

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- Definition

Line of credit facility outstanding borrowings, Euro

+ References

No definition available.

+ Details

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- Definition

Line of credit facility outstanding borrowings, Yen

+ References

No definition available.

+ Details

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