Non-operating income, net Non-Operating Income, net (Narrative) (Details) (Details) (USD $)	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010
Non-Operating Income, Net [Abstract]
Out Of Period Adjustment Recorded For Certain Non Income Taxes	$ 3,900,000
Foreign Currency Transaction Loss, before Tax		2,900,000
Other Nonoperating Income		$ 1,900,000

Aggregate realized and unrealized loss on foreign currency transactions included in net income. Includes loss on a foreign currency forward exchange contract. Does not include foreign currency transactions designated as hedges of net investment in a foreign entity or intercompany foreign currency transactions that are of a long-term nature. Gross of tax effect.

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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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