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Pension And Other Post-Retirement Benefits (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position	$ (86.8)	$ (88.8)
Other Post-Retirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Contribution to pension plans for continuing operations		0.3
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected required contributions	8.1
Contribution to pension plans for continuing operations	1.7
Accrued Expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Liability, Defined Benefit Plan, Current	$ 0.6	$ 1.0

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- Definition

Defined benefit plan estimated required future employer contributions in current fiscal year.

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- Definition

Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.

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