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Stock-Based Compensation - Narrative (Details) - $ / shares
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 29, 2020
Sep. 30, 2020
Jun. 30, 2020
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum number of shares authorized (shares)   9,700,000   9,700,000
2020 Grant        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Performance based criteria plan payout percentage, over/under       50.00%
Restricted Stock Awards Service Condition        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (shares) 80,876 0 0  
Shares granted (USD per share) $ 149.49      
Stock Appreciation Rights SARS        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (shares) 250,080 0 0  
Award vesting period       3 years
Award, expiration period       10 years
Performance Shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (shares) 63,868 0 0  
Shares granted (USD per share) $ 143.45      
Award performance period       3 years
Performance Shares | 2020 Grant        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares granted (USD per share)       $ 143.45
Performance Shares | Minimum | 2020 Grant        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Performance based criteria plan payout percentage       0.00%
Performance Shares | Maximum | 2020 Grant        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Performance based criteria plan payout percentage       200.00%
Performance Shares, Vesting on Compounded Annual Growth Rate of Net Sales        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage 34.00%      
Performance Shares, Vesting on Operating Profit Margin        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage 33.00%      
Performance Shares, Vesting on Achieved Trading Working Capital        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting percentage 33.00%