Stockholders' equity - Common stock - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	2 Months Ended	3 Months Ended	12 Months Ended
	Feb. 26, 2025	Dec. 31, 2024	Dec. 31, 2024		Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Stockholders Equity Note
Cash dividends			$ 183,854	[1]	$ 163,664	$ 163,693	[2]
Stock repurchase program authorized amount		$ 500,000	500,000
Common stock repurchases			$ 217,300
Common stock dividends per share cash paid			$ 2.56		$ 2.27	$ 2.20
Dividends Declared per Common Share		$ 0.70	$ 2.56		$ 2.27	$ 2.20
Dividend payable, to be paid date		Jan. 02, 2025
Dividends payable, record date		Dec. 06, 2024
Stockholders' equity		$ 5,613,066	$ 5,613,066		$ 5,146,953	$ 4,093,425		$ 5,969,397
Dividends payable		$ 49,546	$ 49,546		$ 44,741	$ 39,500
Common stock share repurchase completed			2,256,420
Common stock average price per share			$ 96.32
Subsequent event
Stockholders Equity Note
Dividends Declared per Common Share	$ 0.70
Dividend payable, to be paid date	Apr. 01, 2025
Dividends payable, record date	Mar. 18, 2025

[1] Includes common   stock repurchases   of $ 217.3   million   as part   of a   repurchase   authorization   up to   $ 500   million.   Refer to   Note   19 for   additional information.

[2] Dividends declared per common share during the year ended   December 31, 2024 - $ 2.56   (2023 - $ 2.27 ; 2022 - $ 2.20 ).