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Net Income Per Share - Narratives (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Feb. 21, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |
Antidilutive options excluded from computation of diluted net income per share (in shares) |  | 200,000 | 0 | 0 |
Stock repurchase program, shares authorized (in shares) |  |  | 650,000 |  |
Shares purchased under share repurchase program (in shares) | 0 | 563,334 |  |  |
Shares purchased under share repurchase program |  | $ 202.8 | $ 137.1 | $ 115.5 |
Shares purchased under share repurchase program, average cost per share (in dollars per share) |  | $ 360.03 |  |  |
Subsequent Event |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |
Stock repurchase program, shares authorized (in shares) |  |  |  |  | 1,000,000,000

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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