Employee Benefit Plans (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended																			12 Months Ended
	Dec. 31, 2013 Short term investments	Dec. 31, 2013 Pension plans	Dec. 31, 2012 Pension plans	Dec. 31, 2013 Pension plans Global equity securities: Capital equipment	Dec. 31, 2012 Pension plans Global equity securities: Capital equipment	Dec. 31, 2013 Pension plans Global equity securities: Consumer goods	Dec. 31, 2012 Pension plans Global equity securities: Consumer goods	Dec. 31, 2013 Pension plans Global equity securities: Energy	Dec. 31, 2012 Pension plans Global equity securities: Energy	Dec. 31, 2013 Pension plans Global equity securities: Finance	Dec. 31, 2012 Pension plans Global equity securities: Finance	Dec. 31, 2013 Pension plans Global equity securities: Materials	Dec. 31, 2012 Pension plans Global equity securities: Materials	Dec. 31, 2013 Pension plans Global equity securities: Services	Dec. 31, 2012 Pension plans Global equity securities: Services	Dec. 31, 2013 Pension plans Global equity securities: Miscellaneous	Dec. 31, 2012 Pension plans Global equity securities: Miscellaneous	Dec. 31, 2013 Pension plans Global Equity Common Trust Funds	Dec. 31, 2012 Pension plans Global Equity Common Trust Funds	Dec. 31, 2013 Pension plans Fixed Income Common Trust Funds item	Dec. 31, 2012 Pension plans Fixed Income Common Trust Funds	Dec. 31, 2013 Pension plans Non-U.S. Government securities	Dec. 31, 2012 Pension plans Non-U.S. Government securities	Dec. 31, 2013 Pension plans Commingled Global Fund Allocations	Dec. 31, 2012 Pension plans Commingled Global Fund Allocations	Dec. 31, 2013 Pension plans Short term investments	Dec. 31, 2012 Pension plans Short term investments	Dec. 31, 2013 Pension plans Other	Dec. 31, 2012 Pension plans Other	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Capital equipment	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Capital equipment	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Consumer goods	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Consumer goods	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Energy	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Energy	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Finance	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Finance	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Materials	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Materials	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Services	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Services	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Miscellaneous	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global equity securities: Miscellaneous	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global Equity Common Trust Funds	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Global Equity Common Trust Funds	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Fixed Income Common Trust Funds	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Fixed Income Common Trust Funds	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Commingled Global Fund Allocations	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Commingled Global Fund Allocations	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Short term investments	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Short term investments	Dec. 31, 2013 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Other	Dec. 31, 2012 Quoted Prices in Active Markets for Identical Assets (Level 1) Pension plans Other	Dec. 31, 2013 Significant Observable Inputs (Level 2) Securities collateralized	Dec. 31, 2012 Significant Observable Inputs (Level 2) Securities collateralized	Dec. 31, 2013 Significant Observable Inputs (Level 2) Pension plans	Dec. 31, 2012 Significant Observable Inputs (Level 2) Pension plans	Dec. 31, 2013 Significant Observable Inputs (Level 2) Pension plans Global Equity Common Trust Funds	Dec. 31, 2012 Significant Observable Inputs (Level 2) Pension plans Global Equity Common Trust Funds	Dec. 31, 2013 Significant Observable Inputs (Level 2) Pension plans Fixed Income Common Trust Funds	Dec. 31, 2012 Significant Observable Inputs (Level 2) Pension plans Fixed Income Common Trust Funds	Dec. 31, 2013 Significant Observable Inputs (Level 2) Pension plans Non-U.S. Government securities	Dec. 31, 2012 Significant Observable Inputs (Level 2) Pension plans Non-U.S. Government securities	Dec. 31, 2013 Significant Observable Inputs (Level 2) Pension plans Commingled Global Fund Allocations	Dec. 31, 2012 Significant Observable Inputs (Level 2) Pension plans Commingled Global Fund Allocations	Dec. 31, 2012 Significant Observable Inputs (Level 2) Pension plans Other	Dec. 31, 2013 Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 Significant Unobservable Inputs (Level 3)	Dec. 31, 2011 Significant Unobservable Inputs (Level 3)	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Global Equity Common Trust Funds	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Global Equity Common Trust Funds	Dec. 31, 2011 Significant Unobservable Inputs (Level 3) Global Equity Common Trust Funds	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Fixed Income Common Trust Funds	Dec. 31, 2011 Significant Unobservable Inputs (Level 3) Fixed Income Common Trust Funds	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Commingled Global Fund Allocations	Dec. 31, 2011 Significant Unobservable Inputs (Level 3) Commingled Global Fund Allocations	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Other	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Other	Dec. 31, 2011 Significant Unobservable Inputs (Level 3) Other	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Pension plans	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Pension plans	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Pension plans Global Equity Common Trust Funds	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Pension plans Global Equity Common Trust Funds	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Pension plans Fixed Income Common Trust Funds	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Pension plans Commingled Global Fund Allocations	Dec. 31, 2013 Significant Unobservable Inputs (Level 3) Pension plans Other	Dec. 31, 2012 Significant Unobservable Inputs (Level 3) Pension plans Other
Employee benefit plans
Fair value of plan assets		$ 770.4	$ 1,213.8	$ 4.8	$ 20.2	$ 3.2	$ 17.7	$ 1.9	$ 8.8	$ 3.4	$ 8.2	$ 2.9	$ 9.4	$ 1.4	$ 10.6	$ 8.9	$ 37.3	$ 247.2	$ 366.1	$ 212.2	$ 380.5	$ 42.4	$ 36.3	$ 71.5	$ 247.1	$ 163.7	$ 61.5	$ 6.9	$ 10.1	$ 276.4	$ 440.3	$ 4.8	$ 20.2	$ 3.2	$ 17.7	$ 1.9	$ 8.8	$ 3.4	$ 8.2	$ 2.9	$ 9.4	$ 1.4	$ 10.6	$ 8.9	$ 37.3	$ 37.9	$ 103.6	$ 27.8	$ 69.4	$ 20.0	$ 91.2	$ 163.7	$ 61.5	$ 0.5	$ 2.4	$ 13.7	$ 31.4	$ 480.8	$ 580.1	$ 202.5	$ 233.5	$ 184.4	$ 309.7	$ 42.4	$ 36.3	$ 51.5	$ 0.3	$ 0.3	$ 13.2	$ 193.4	$ 161.7	$ 6.8	$ 29.0	$ 24.4	$ 1.4	$ 1.4	$ 155.6	$ 129.9	$ 6.4	$ 7.4	$ 6.0	$ 13.2	$ 193.4	$ 6.8	$ 29.0	$ 1.4	$ 155.6	$ 6.4	$ 7.4
Value of Short term investments (in dollars per unit)	1.00
Number of funds transferred from level 1 to level 2																				1
Fair value of fund transferred from level 1 to level 2																				16.6	69.2
Number of funds transferred from level 2 to level 1																				2
Fair value of fund transferred from level 2 to level 1																				$ 27.6	$ 46.3

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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