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Stock-Based Compensation Plans Stock-Based Compensation Plans (Schedule Of Future Share-Based Compensation Cost) - Equity Option [Member] - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jul. 21, 2021 | Sep. 30, 2021 | Jun. 30, 2021
Share -based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
2021 |  | $ 18.9 |
2022 |  | 36.9 |
2023 |  | 36.3 |
2024 |  | 36.3 |
2025 |  | 2.2 |
Total | $ 145.3 | $ 130.6 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |  | $ 171.36 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 770,500 | 8,000 | 770,500

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- Definition Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Three Years + References No definition available. + Details
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- Definition Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Two Years + References No definition available. + Details
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- Definition Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs Next Twelve Months + References No definition available. + Details
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- Definition Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs Total + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Details
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