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Equity, Stock-Based Compensation (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Expense incurred for stock-based compensation plans |  |  |  |  |  |  |  |  | $ 63.0 | $ 55.6 | $ 49.7
Recognized tax benefit related to stock-based compensation |  |  |  |  |  |  |  |  | 46.0 | 27.5 | 78.3
Excess tax benefit from option exercises | $ 16.8 | $ 1.6 | $ 12.9 | $ 6.8 | $ 5.7 | $ 7.0 | $ 3.0 | $ 4.1 | 38.1 | 19.8 | 66.6
Selling, General and Administrative Expenses |  |  |  |  |  |  |  |  |  |  |
Expense incurred for stock-based compensation plans |  |  |  |  |  |  |  |  | $ 63.0 | $ 55.6 | $ 49.7

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