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Accounting Policies - Income tax (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2017 USD ($)
Income Taxes |
Increase in unrecognized tax benefits, net | $ 2.6
Increase in unrecognized tax benefits | 3.1
Increase in unrecognized tax benefits related to European tax positions | 1.7
Increase in unrecognized tax benefits related to China tax positions | 0.5
Increase in unrecognized tax positions related to U.S. tax positions | 0.2
Reduction in unrecognized tax benefits, resulting from settlement from the completion of European audit | 0.5
Amount of unrecognized tax benefits which, if recognized, would affect the effective tax rate | 3.6
Reconciliation of the beginning and ending amount of unrecognized tax benefits |
Balance at the beginning of the period | 5.1
Increases related to prior year tax positions | 2.4
Decreases related to statute expirations | (0.3)
Settlements | (0.2)
Currency movement | (0.7)
Balance at the end of the period | 7.7
Decrease in unrecognized tax benefits, that is reasonably possible | $ 0.5
Buildings and improvements | Minimum |
Property, plant and equipment |
Estimated useful lives of the assets | 10 years
Buildings and improvements | Maximum |
Property, plant and equipment |
Estimated useful lives of the assets | 40 years
Machinery and equipment | Minimum |
Property, plant and equipment |
Estimated useful lives of the assets | 3 years
Machinery and equipment | Maximum |
Property, plant and equipment |
Estimated useful lives of the assets | 15 years

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