Employee Benefit Plans (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Changes in plan assets:
Fair value of plan assets at end of year	$ 276.8
Pension Plans, Defined Benefit [Member]
Pension and Postretirement Benefit Plans recognized in financial statements
Accumulated benefit obligation	406.3	363.6
Changes in projected benefit obligation:
Benefit obligation at beginning of year	413.9	368.8	336.3
Service cost	5.8	5.4	5.0
Interest cost	17.5	17.8	17.6
Plan participants' contributions	0	0
Amendments	0	0
Other	4.5	0
Actuarial loss	47.0	28.9
Effect of exchange rates	1.6	(0.7)
Divestiture	(10.4)	0
Settlements and curtailments	(1.7)	(2.1)
Benefits paid	(19.2)	(16.8)
Changes in plan assets:
Fair value of plan assets at beginning of year	242.5	244.6
Actual gain return on plan assets	32.1	3.8
Employer contribution	29.4	13.4
Plan participants' contributions	0	0
Effect of exchange rates	1.0	(0.4)
Divestiture	(7.3)	0
Plan settlements	(1.7)	(2.1)
Benefits paid	(19.2)	(16.8)
Fair value of plan assets at end of year	276.8	242.5	244.6
Funded status / net amount recognized	(137.1)	(126.3)
Net amount recognized consists of:
Current liability	(2.7)	(1.6)
Non-current liability	(134.4)	(124.7)
Net amount recognized	(137.1)	(126.3)
Other Postretirement Benefit Plans, Defined Benefit [Member]
Changes in projected benefit obligation:
Benefit obligation at beginning of year	7.6	19.9	17.0
Service cost	0.2	0.8	0.6
Interest cost	0.4	0.9	0.8
Plan participants' contributions	0.8	0.8
Amendments	(14.2)	0
Other	0	0
Actuarial loss	2.8	2.3
Effect of exchange rates	0	0
Divestiture	0	0
Settlements and curtailments	0	0
Benefits paid	(2.3)	(1.9)
Changes in plan assets:
Fair value of plan assets at beginning of year	0	0
Actual gain return on plan assets	0	0
Employer contribution	1.5	1.1
Plan participants' contributions	0.8	0.8
Effect of exchange rates	0	0
Divestiture	0	0
Plan settlements	0	0
Benefits paid	(2.3)	(1.9)
Fair value of plan assets at end of year	0	0	0
Funded status / net amount recognized	(7.6)	(19.9)
Net amount recognized consists of:
Current liability	(1.5)	(1.3)
Non-current liability	(6.1)	(18.6)
Net amount recognized	$ (7.6)	$ (19.9)

Defined Benefit Plan Settlements and Curtailments.

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For defined benefit pension plans, the actuarial present value of benefits (whether vested or nonvested) attributed by the pension benefit formula to employee service rendered before a specified date and based on employee service and compensation (if applicable) before that date. The accumulated benefit obligation differs from the projected benefit obligation in that it includes no assumption about future compensation levels. For plans with flat-benefit or nonpay-related pension benefit formulas, the accumulated benefit obligation and the projected benefit obligation are the same.

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The difference between fair value of plan assets at the end of the period and the fair value at the beginning of the period, adjusted for contributions and payments of benefits during the period, and after adjusting for taxes and other expenses, as applicable.

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Amount of gain (loss) from a decision to temporarily deviate from the substantive plan, or from a change in benefit obligation or plan asset value from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover or salary scale.

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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The increase in the fair value of plan assets from contributions made by the employer.

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The amount of contributions made by plan participants. This item represents a periodic increase to the plan obligation and an increase to plan assets.

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The amount of decrease in the plan benefit obligation attributed to the sale, liquidation, spin-off or other divestiture of a corporate division or subsidiary.

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The amount of decrease in the plan assets attributed to the sale, liquidation, spin-off or other divestiture of a corporate division or subsidiary.

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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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Amount of gain (loss) from foreign currency exchange rate changes for benefit obligation for plans of a foreign operation whose functional currency is not the reporting currency.

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The amount of increase or decrease in plan assets attributed to foreign currency changes. The effects of foreign currency exchange rate changes that are to be disclosed are those applicable to plans of a foreign operation whose functional currency is not the reporting currency.

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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Changes in the defined benefit obligation, not otherwise separately disclosed in the financial statements.

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The amount of increase or decrease due to a change in the terms of an existing plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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The amount that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts.

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