XML 109 R94.htm IDEA: XBRL DOCUMENT v3.20.4
Stock-Based Compensation (Schedule Of Range Of Exercise Prices For Outstanding Options) (Details)
12 Months Ended
Dec. 31, 2020
$ / shares
shares
$30.05 - $45.70  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding | shares 309,149
Weighted Average Remaining Contractual Life (Years) 3 years 7 months 6 days
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 45.70
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 30.05
$61.87 - $63.98  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding | shares 280,044
Weighted Average Remaining Contractual Life (Years) 5 years 7 months 6 days
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 63.98
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 61.87
$65.81 - $65.81  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding | shares 453,311
Weighted Average Remaining Contractual Life (Years) 9 years 1 month 6 days
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 65.81
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 65.81
$68.09 - $79.83  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding | shares 369,495
Weighted Average Remaining Contractual Life (Years) 7 years 2 months 12 days
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 79.83
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 68.09
$107.75 - $107.75  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options Outstanding | shares 166,871
Weighted Average Remaining Contractual Life (Years) 7 years 1 month 6 days
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 107.75
Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit $ 107.75