Other Income (Details) (Grants awarded in November 2010 related to research and development [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2010
Grants awarded in November 2010 related to research and development [Member]
Component of Other Income, Nonoperating [Line Items]
Other income in non-taxable grants awarded	$ 1.0

- Definition

The aggregate amount of other income amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items.

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