Pension and Other Postretirement Benefits (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended	1 Months Ended
Dec. 31, 2014 Pension_plan	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Change in plan assets
Fair value of plan assets at the end of the period		$ 700.7
Change in benefit obligation
Benefit obligation at the end of the period		(768.6)
Pension Plans
Pension and Other Postretirement Benefits
Number of funded plans	3
Settlement charge	9.7	0	0
Change in plan assets
Fair value of plan assets at the beginning of the period	700.7	719.9
Return on plan assets	83.4	16.3
Employer contributions	20.4	6.6
Plan participant contributions	(0.4)	(0.4)
Benefit payments	(128.7)	(34.4)
Foreign currency translation	(11.4)	(8.1)
Fair value of plan assets at the end of the period	664.8	700.7	719.9	664.8
Change in benefit obligation
Benefit obligation at the beginning of the period	(768.6)	(832.4)
Curtailment gain (loss)	14.5	0
Special termination benefits	(0.3)	0
Service cost	(13.3)	(17.8)	(12.4)
Interest cost	(34.7)	(32.8)	(34.4)
Benefit payments	(128.7)	(34.4)
Foreign currency translation	11.6	8.6
Plan amendment	0	0
Plan participant contributions	(0.4)	(0.4)
Change in assumptions and other	(125.3)	71.8
Benefit obligation at the end of the period	(787.8)	(768.6)	(832.4)	(787.8)
Funded status as of year end	(123.0)	(67.9)		(123.0)
Amounts recognized in the consolidated balance sheets
Other noncurrent assets	3.8	4.7		3.8
Other noncurrent liabilities	(126.8)	(72.6)		(126.8)
Amounts recognized in the consolidated balance sheets, total	(123.0)	(67.9)		(123.0)
U.S plan
Pension and Other Postretirement Benefits
Number of funded plans	1
Defined benefit plan, settlements, benefit obligation	13.0
Settlement charge				9.7
Change in plan assets
Benefit payments				(90.8)
Change in benefit obligation
Benefit payments				(90.8)
U.S plan \| Cost of Sales
Pension and Other Postretirement Benefits
Settlement charge				8.7
U.S plan \| Selling, General and Administrative Expenses
Pension and Other Postretirement Benefits
Settlement charge				1.0
Canadian plan
Pension and Other Postretirement Benefits
Number of funded plans	2
Number of funded plans closed to new employees	1
Retiree Medical
Pension and Other Postretirement Benefits
Settlement charge	0	0	0
Change in plan assets
Employer contributions	4.9	4.8
Plan participant contributions	(0.4)	(0.4)
Benefit payments	(5.3)	(5.2)
Change in benefit obligation
Benefit obligation at the beginning of the period	(66.3)	(69.6)
Curtailment gain (loss)	(2.0)	0
Special termination benefits	0	0
Service cost	(0.1)	(0.3)	(2.1)
Interest cost	(2.4)	(2.4)	(3.3)
Benefit payments	(5.3)	(5.2)
Foreign currency translation	0.3	0.3
Plan amendment	(7.0)	0
Plan participant contributions	(0.4)	(0.4)
Change in assumptions and other	(3.8)	0.9
Benefit obligation at the end of the period	(62.4)	(66.3)	(69.6)	(62.4)
Funded status as of year end	(62.4)	(66.3)		(62.4)
Amounts recognized in the consolidated balance sheets
Accrued expenses	(5.2)	(5.0)		(5.2)
Other noncurrent liabilities	(57.2)	(61.3)		(57.2)
Amounts recognized in the consolidated balance sheets, total	$ (62.4)	$ (66.3)		$ (62.4)

The amount of increase or decrease due to a change in the plan assumptions and other changes not otherwise disclosed.

No definition available.

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Represents the number of funded defined benefit pension plans.

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Represents the number of funded defined benefit pension plans, which are closed to new employees.

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No definition available.

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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.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Actual Return on Plan Assets (Component of Net Periodic Postretirement Benefit Cost)

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-Glossary Actual Return on Plan Assets (Component of Net Periodic Pension Cost)

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The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

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The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan.

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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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-Glossary Projected Benefit Obligation

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-Glossary Accumulated Postretirement Benefit Obligation

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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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-Glossary Postretirement Benefits

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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 that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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-Glossary Plan Curtailment

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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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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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Amount of net gain (loss) recognized in net periodic benefit cost as a result of 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, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits.

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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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-Glossary Service Cost (Component of Net Periodic Pension Cost)

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The amount of decrease 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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The amount of increase related to special termination benefits offered to and accepted by employees in connection with their termination of employment that are only offered for a short period of time. A situation involving termination benefits may also involve a curtailment.

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For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan.

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-Glossary Current Liabilities

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This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

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