Defined Benefit Plan, Period of Return for Fixed Income Investments From Discount Rate Assumptions

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- Definition

Defined Benefit Plan, Reduction to plan assets for anticipated lump sum payments in next fiscal year

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- Definition

Amount of gross other benefits from an other postretirement benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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No definition available.

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- Definition

Plan Asset Underlying Investment Redemption Notice

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- Definition

Plan Assets Redemptions per Period

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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- Definition

Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The interest rate used to adjust for the time value of money for the plan.

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The amount of increase in the plan assets attributed to a business combination.

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- Definition

Amount of contributions made by the employer to defined benefit plans.

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- Definition

If applicable, the cost of providing special or contractual termination benefits recognized during the period on the projected benefit obligation.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

The assumed health care cost trend rate for the next year used to measure the expected cost of benefits covered by the plan (gross eligible charges). This is based upon the annual rate of change in the cost of health care benefits currently provided by the postretirement benefit plan, due to factors other than changes in the composition of the plan population by age and dependency status.

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- Definition

The amount of net gain (loss) recognized in net periodic benefit cost as a result of 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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- Definition

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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Amount of plan assets that relate to an irrevocable action that relieves the employer, or plan, of primary responsibility for a benefit obligation and eliminates risks related to the obligation and the assets used to effect settlement. Includes, but is not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified pension benefits and purchasing annuity contracts to cover vested benefits.

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

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- Definition

Year the ultimate health care cost trend rate is expected to be reached, in CCYY format.

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- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

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- Definition

The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments).

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- Definition

The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

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Benefit Plans Benefit Plans - Textuals (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2016 USD ($) years	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Healthcare cost trend rate assumed for next year		7.00%	7.00%
Year that rate reaches ultimate trend rate		2025	2020
Expected rate of return period		20 years
Cost recognized		$ 8.3	$ 9.5	$ 8.7
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year		$ 26.7
Document Period End Date		Dec. 31, 2016
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Business Combinations and Acquisitions, Plan Assets		$ 524.2	$ 0.0
Actual allocation percentage		100.00%	100.00%
Curtailment loss		$ 4.6	$ 0.0	0.0
Discount rate		2.94%	4.62%
Actuarial loss (gain)		$ 33.0	$ 29.6
Employer contributions		8.7	13.6
Post-retirement		52.0
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Business Combinations and Acquisitions, Plan Assets		0.0	0.0
Curtailment loss		$ 0.0	$ 0.0	0.0
Discount rate		4.62%	4.62%
Actuarial loss (gain)		$ 1.3	$ 1.4
Employer contributions		1.1	1.2
2017, gross		$ 1.2
Other common collective trusts
Defined Benefit Plan Disclosure [Line Items]
Plan Asset Underlying Investment Redemption Notice		1 day
Multi-strategy hedge funds
Defined Benefit Plan Disclosure [Line Items]
Plan Assets Redemptions per Period \| years		0.5
Plan Asset Underlying Investment Redemption Notice		95 days
Private equity funds
Defined Benefit Plan Disclosure [Line Items]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments		$ 5.5	$ 5.5
Real estate
Defined Benefit Plan Disclosure [Line Items]
Plan Assets Redemptions per Period \| years		0.25
Plan Asset Underlying Investment Redemption Notice		45 days
Voluntary Early Retirement Program [Member] \| Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Curtailment loss	$ 8.7
Settlements, plan assets	(138.5)
Reduction to plan assets for anticipated lump sum payments in next fiscal year				$ 15.8
Pension Expense	67.6
Settlement loss	20.2
Special termination benefits	$ 38.7
Residential [Member] \| Real estate
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		20.00%	20.00%
Long Short Equity [Member] \| Multi-strategy hedge funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		43.00%	53.00%
Buyout Private Equity Funds [Member] \| Private equity funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		43.00%	50.00%
Special Situation Private Equity and Debt Funds [Member] \| Private equity funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		26.00%	25.00%
Venture Private Equity Funds [Member] \| Private equity funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		31.00%	25.00%
Arbitrage and Event Investments [Member] \| Multi-strategy hedge funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		50.00%	40.00%
Directional Trading, Fixed Income and Other Investments [Member] \| Multi-strategy hedge funds
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		7.00%	7.00%
Retail [Member] \| Real estate
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		25.00%	24.00%
Industrial, Cash and Other [Member] \| Real estate
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		16.00%	8.00%
Office [Member] \| Real estate
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		39.00%	48.00%
Debt securities \| Other common collective trusts
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		60.00%	59.00%
Collateralized Mortgage Backed Securities [Member] \| Other common collective trusts
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		22.00%	25.00%
Corporate Debt Securities [Member] \| Other common collective trusts
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		58.00%	45.00%
Fixed income securities \| US Treasury and Government [Member] \| Other common collective trusts
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		20.00%	30.00%
Equity Securities [Member] \| Russell 1000 Fund Large Cap Index Funds [Member] \| Other common collective trusts
Defined Benefit Plan Disclosure [Line Items]
Actual allocation percentage		40.00%	41.00%