Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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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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Derivative Financial Instruments and Fair Value Measurements (Details) In Millions, unless otherwise specified	Mar. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Mar. 31, 2014 Recurring Basis [Member] USD ($)	Dec. 31, 2013 Recurring Basis [Member] USD ($)	Mar. 31, 2014 Recurring Basis [Member] Fair Value Measurements Using Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] USD ($)	Dec. 31, 2013 Recurring Basis [Member] Fair Value Measurements Using Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] USD ($)	Mar. 31, 2014 Recurring Basis [Member] Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] USD ($)	Dec. 31, 2013 Recurring Basis [Member] Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] USD ($)	Mar. 31, 2014 Recurring Basis [Member] Fair Value Measurements Using Significant Unobservable Inputs (Level 3) [Member] USD ($)	Dec. 31, 2013 Recurring Basis [Member] Fair Value Measurements Using Significant Unobservable Inputs (Level 3) [Member] USD ($)	Mar. 31, 2014 Euro-denominated Note EUR350.0 [Member] USD ($)	Mar. 31, 2014 Euro-denominated Note EUR350.0 [Member] EUR (€)	Mar. 31, 2014 Carrying Value [Member] Euro-denominated Note EUR350.0 [Member] USD ($)	Dec. 31, 2013 Carrying Value [Member] Euro-denominated Note EUR350.0 [Member] USD ($)	Mar. 31, 2014 Fair Value [Member] Euro-denominated Note EUR350.0 [Member] Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] USD ($)	Dec. 31, 2013 Fair Value [Member] Euro-denominated Note EUR350.0 [Member] Fair Value Measurements Using Significant Other Observable Inputs (Level 2) [Member] USD ($)
Net investment hedges [Abstract]
Long-term Debt											$ 481.8	€ 350.0
Unrealized loss from economic hedges included in Accumulated Other Comprehensive Income, net of taxes	61.4	60.6
Assets [Abstract]
Foreign currency forward contracts			0.2	0.3	0	0	0.2	0.3	0	0
Deferred compensation plan assets			73.5	71.6	73.5	71.6	0	0	0	0
Total assets			73.7	71.9	73.5	71.6	0.2	0.3	0	0
Notes payable													$ 481.8	$ 480.9	$ 530.0	$ 520.1