Derivative Financial Instruments (Details) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2013 USD ($)	Dec. 31, 2013 Carrying Amount [Member] USD ($)	Dec. 31, 2012 Carrying Amount [Member] USD ($)	Dec. 31, 2013 Carrying Amount [Member] Euro-denominated Note EUR350 [Member] USD ($)	Dec. 31, 2013 Carrying Amount [Member] Euro-denominated Note EUR350 [Member] EUR (€)
Net investment hedges [Abstract]
Euro-denominated notes		$ 480.9	$ 725.5	$ 480.9	€ 350.0
Unrealized loss from economic hedges included in accumulated other comprehensive income, net of taxes	(60.6)
Gain associated with forward contracts included in interest and other expenses	$ 0.8

The amount of gain 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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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents notes payable as of the balance sheet date.

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