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Financial Instruments (Foreign Exchange Risk and Its Effect on Income Statement) (Details) (Foreign Exchange Contract, Other income, net, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Foreign Exchange Contract \| Other income, net
Derivative Instruments, Gain (Loss) [Line Items]
Amount of net gain recognized in income	$ 6.2	$ 21.3

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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