Employee Benefit And Retirement Plans (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized From AOCI in Next Fiscal Year, Pre-Tax	$ 17.0
Defined Contribution Plan, Employer Discretionary Contribution Amount	17.4	$ 16.5	$ 15.8
Defined Contribution Benefit Arrangement, Liability at Period End	17.6	16.7
Payments for Postemployment Benefits	70.6	98.6
Deferred Compensation Liability, Current and Noncurrent	41.7	44.2
Deferred Compensation Plan Assets	57.1	55.3
OTHER ASSETS	383.6	273.4
Defined Contribution Plan, Cost Recognized	25.5	14.0	$ 13.6
Supplemental Employee Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net Death Benefits From Life Insurance Policies, Amount	289.7
Cash Surrender Value of Life Insurance	116.0	108.4
Defined Benefit Plan, Benefit Obligation	$ 122.5	$ 119.5