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Share-Based Awards - Stock Options Outstanding By Price Range (Details)
shares in Thousands
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Weighted-Average Contractual Life, options outstanding 2 years
Options (in shares) | shares 658
Weighted-Average Exercise Price, options outstanding (in dollars per share) $ 56
Weighted-Average Contractual Life, Options exercisable 2 years
Options exercisable (in shares) | shares 658
Weighted-Average Exercise Price, Options exercisable (in dollars per share) $ 56
$40.01 to $50  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Weighted-Average Contractual Life, options outstanding 8 months 12 days
Options (in shares) | shares 173
Weighted-Average Exercise Price, options outstanding (in dollars per share) $ 44
Lower Range Limit (in dollars per share) 40.01
Upper Range Limit (in dollars per share) $ 50
$50.01 to $60  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Weighted-Average Contractual Life, options outstanding 2 years
Options (in shares) | shares 122
Weighted-Average Exercise Price, options outstanding (in dollars per share) $ 52
Lower Range Limit (in dollars per share) 50.01
Upper Range Limit (in dollars per share) $ 60
$60.01 to $70  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Weighted-Average Contractual Life, options outstanding 2 years 8 months 12 days
Options (in shares) | shares 363
Weighted-Average Exercise Price, options outstanding (in dollars per share) $ 63
Lower Range Limit (in dollars per share) 60.01
Upper Range Limit (in dollars per share) $ 70