v2.4.0.6
Employee Benefit And Retirement Plans (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Defined Benefit Plan Disclosure [Line Items]      
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax $ 774.8    
Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax (501.3) (425.4)  
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized From AOCI in Next Fiscal Year, Pre-Tax 23.0    
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year 14.3    
Defined Contribution Benefit Arrangement, Employer Contributions 18.8 17.9 17.3
Defined Contribution Benefit Arrangement, Liability at Period End 18.8 17.9  
Deferred Compensation Liability, Current and Noncurrent 68.7 70.8  
Deferred Compensation Plan Assets 52.0 51.8  
Contribution to Company-sponsored profit sharing plan 14.9 12.9 14.0
OTHER ASSETS 309.2 307.6  
Other Postretirement Plan, Direct Benefit Payments Next Fiscal Year, Amount 13.6    
Pension Plans, Defined Benefit [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Expected Future Benefit Payments in Year One 95.1 [1]    
Defined Benefit Plan, Expected Future Benefit Payments in Year Two 77.5 [1]    
Defined Benefit Plan, Expected Future Benefit Payments in Year Three 79.0 [1]    
Defined Benefit Plan, Expected Future Benefit Payments in Year Four 80.2 [1]    
Defined Benefit Plan, Expected Future Benefit Payments in Year Five 81.4 [1]    
Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter 438.3 [1]    
Supplemental Executive Retirement Plan [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Number of Employees 350    
Net Death Benefits From Life Insurance Policies, Amount 297.2    
Cash Surrender Value of Life Insurance 102.3 99.8  
Defined Benefit Plan, Benefit Obligation 119.9 110.5  
Other Postretirement Benefit Plans, Defined Benefit [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax (15.8) (14.2)  
Defined Benefit Plan, Benefit Obligation 165.2 166.5 168.1
Defined Benefit Plan, Expected Future Benefit Payments in Year One 13.6    
Defined Benefit Plan, Expected Future Benefit Payments in Year Two 13.3    
Defined Benefit Plan, Expected Future Benefit Payments in Year Three 12.9    
Defined Benefit Plan, Expected Future Benefit Payments in Year Four 12.7    
Defined Benefit Plan, Expected Future Benefit Payments in Year Five 12.4    
Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter 64.2    
Prescription Drug Subsidy, Expected Annual Receipts in Future Years, Amount 2.1    
Other Assets [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
OTHER ASSETS $ 12.6 $ 15.3  
[1] Certain pension benefit payments will be funded by plan assets.