Debt (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Long-term debt	$ 342.7	$ 373.5
Notes payable and other current debt	27.2	2.2
Long-term debt, excluding current portion	315.5	371.3
Term Loan Due 2014 [Member]
Debt Instrument [Line Items]
Long-term debt	0	0.1
Series B Floating Rate Notes Due 2015 [Member]
Debt Instrument [Line Items]
Long-term debt	25.0	25.0
Euro Note B Due 2016 [Member]
Debt Instrument [Line Items]
Long-term debt	77.5	84.1
Capital leases, due through 2016 [Member]
Debt Instrument [Line Items]
Capital leases	0.3	0.4
Revolving credit facility, due 2017 [Member]
Debt Instrument [Line Items]
Long-term debt	31.2	53.7
Line of credit facility outstanding borrowings, Yen	4.6
Line of credit facility outstanding borrowings, Euro	26.6
Term Loan Due 2018 [Member]
Debt Instrument [Line Items]
Long-term debt	39.8	41.3
Current portion of long-term debt	2.1
Debt Instrument Term	5 years 0 months 0 days
Notes Payable due 2019 [Member]
Debt Instrument [Line Items]
Long-term debt	0.3	0.3
Series A Notes, Due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt	42.0	42.0
Series B Notes, Due 2024 [Member]
Debt Instrument [Line Items]
Long-term debt	53.0	53.0
Series C Notes, Due 2027 [Member]
Debt Instrument [Line Items]
Long-term debt	73.0	73.0
Convertible Debt Due 2047 [Member]
Debt Instrument [Line Items]
Long-term debt	$ 0.6	$ 0.6