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Stock Based Compensation Plans and Other Benefit Plans - Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
CompensationPlan
shares
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Participants
Employee
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Number of compensation plans | CompensationPlan 4      
Compensation cost not yet recognized $ 15.2      
Period of amortization expected to be recognized 3 years      
Non-cash compensation expense $ 20.8 $ 23.3 $ 18.1  
Restricted shares, stock compensation expense $ 1.5 1.6    
Percentage of incentive bonus contribution 85.00%      
Deferred Compensation Plans        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock compensation, liability $ 102.8 92.7    
Amounts charged to earnings $ 1.0 2.4 $ 1.9  
Shares held in rabbi trust | shares 188,000      
Deferred Compensation Plans | Other Assets        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Funded balances $ 98.2 79.4    
Deferred Compensation Plans | Management        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Percentage of compensation contribution 85.00%      
Deferred Compensation Plans | Director        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Percentage of compensation contribution 100.00%      
Pension Plan, Defined Benefit | Foreign Plan        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Defined benefit plan, number of plan participants | Participants       336
Defined benefit plan, plan participants, number of active employees | Employee       53
One time termination payment to purchase annuities       $ 7.5
Pension Plan, Defined Benefit | Foreign Plan | Consumer International        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
One-time settlement expense       39.2
One-time settlement expense, net of tax       $ 31.5
Exercise Options Granted Between Two Thousand Seven Through Two Thousand Seventeen Within Three Year From Date Of Termination        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Minimum required participant age and years of service 65 years      
Stock Option        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock exercise period, years 10 years      
Vesting period 3 years      
Minimum service period, years 5 years      
Minimum required participant age with five years of service 55 years      
Restricted Shares        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock compensation, liability $ 3.1 1.6    
Stock compensation, unamortized amount   $ 2.1