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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

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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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