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Shareholder's equity (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 12, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 17, 2021 | Dec. 10, 2020
Stock repurchases |  |  |  |  |  |
Terminated Remaining Prior Share Repurchases Authorized, Amount |  |  |  |  |  | $ 329,302
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 2,000,000 |
Charter documents and Delaware law: |  |  |  |  |  |
Preferred stock, shares authorized (in shares) |  | 5,000,000 | 5,000,000 |  |  |
Period During Which The Company Is Subject To Section 203 Of The Delaware General Corporation Law Limitation |  | 3 years |  |  |  |
Payments to Noncontrolling Interests |  | $ 12,555 | $ 20,775 | $ 20,104 |  |
Open Market Purchases |  |  |  |  |  |
Stock repurchases |  |  |  |  |  |
Repurchase of common stock (in shares) |  | 2,904,000 | 8,095,000 | 13,877,000 |  |
Charter documents and Delaware law: |  |  |  |  |  |
Treasury stock acquired, average cost per share |  | $ 97.82 | $ 97.30 | $ 111.38 |  |
Value of treasury stock acquired |  | $ 285,710 | $ 787,854 | $ 1,546,016 |  |
Treasury Stock, Common |  |  |  |  |  |
Stock repurchases |  |  |  |  |  |
Repurchase of common stock (in shares) |  | 2,904,000 | 8,095,000 | 13,877,000 |  |
Retirement of treasury stock (in shares) |  | 2,904,000 | 8,095,000 | 13,877,000 |  |
Charter documents and Delaware law: |  |  |  |  |  |
Value of treasury stock acquired |  | $ 285,710 | $ 787,854 | $ 1,546,016 |  |
Subsequent Event |  |  |  |  |  |
Stock repurchases |  |  |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 1,149,192 |  |  |  |  |
Subsequent Event | Open Market Purchases |  |  |  |  |  |
Stock repurchases |  |  |  |  |  |
Repurchase of common stock (in shares) | 1,507,000 |  |  |  |  |
Charter documents and Delaware law: |  |  |  |  |  |
Treasury stock acquired, average cost per share | $ 107.97 |  |  |  |  |
Value of treasury stock acquired | $ 164,366 |  |  |  |  |

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- Definition Period During Which The Company Is Subject To Section 203 Of The Delaware General Corporation Law limitation. The Company is subject to Section 203 of the Delaware General Corporation Law which, subject to exceptions, would prohibit the Company from engaging in any business combinations with any interested stockholder, as defined in that section, for a period three years following the date on which that stockholder became an interested stockholder. + References No definition available. + Details
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