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Employee Benefit And Retirement Plans (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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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 |

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- Definition Net Death Benefits From Life Insurance Policies, Amount + References No definition available. + Details
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- Definition Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized From AOCI in Next Fiscal Year, Pre-Tax + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6812-107765 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Projected Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6522206 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Accumulated Postretirement Benefit Obligation -URI http://asc.fasb.org/extlink&oid=6503904 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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