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Note 12 - Stock Repurchase Program (Details Textual) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 92 Months Ended |
--- | --- | --- | --- | ---
Aug. 31, 2022 | Sep. 30, 2020 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Aug. 05, 2022
Stock Repurchase Program, Authorized Amount |  | $ 250,000 |  |  |  | $ 500,000
Stock Repurchase Program, Period in Force (Month) | 24 years | 24 months |  |  |  |
Treasury Stock, Common [Member] |  |  |  |  |  |
Shares Acquired Under Stock Repurchases Program, Shares (in shares) |  |  | 0 | 0 | 11,748,713 |
Payments for Repurchase of Common Stock |  |  |  |  | $ 777,379 |
Shares Acquired, Average Cost Per Share (in dollars per share) |  |  |  |  | $ 66.17 |

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- Definition Number of shares that have been repurchased during the period and are being held in treasury + References No definition available. + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481549/505-30-45-1 + Details
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- Details
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