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Share repurchases (Details) - USD ($) $ in Thousands | 1 Months Ended |
--- | --- | ---
Jul. 29, 2020 | Nov. 04, 2019
Equity, Class of Treasury Stock [Line Items] |  |
Terminated Remaining Prior Share Repurchases Authorized, Amount |  | $ 246,373
Stock Repurchase Program, Authorized Amount |  | $ 2,000,000
Subsequent Event |  |
Equity, Class of Treasury Stock [Line Items] |  |
Repurchase of common stock (in shares) | 0 |
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 1,400,356 |

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