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Pensions And Other Postretirement Benefits (Annual Costs Related To Retirement Plans) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Pension and other postretirement benefit expense, total | $ (26.3) | $ 8.7 | $ 27.3 |
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Pension Benefits [Member]
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| Defined benefit pension plans | 37.8 | 45.6 | 50.8 |
| Defined contribution pension plans | 5.7 | 4.2 | 2.1 |
| Other postretirement benefits | 26.8 | 24.2 | 25.5 |
| Pension and other postretirement benefit expense, total | $ 70.3 | $ 74.0 | $ 78.4 |
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- Definition
The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of costs recognized during the period for non-pension postretirement benefits, such as medical, dental and life insurance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of pension and other (such as medical, dental and life insurance) postretirement benefit costs recognized during the period for (1) defined benefit plans (periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss) on assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments) and for (2) defined contribution plans (to the extent that a plan's defined contributions to an individual's account are to be made for periods in which that individual renders services, the net cost for a period is the contribution called for in that period; if a plan calls for contributions for periods after an individual retires or terminates, the estimated cost is accrued during the employee's service period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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