Shareholders' equity - Schedule of Earnings (Loss) Per Share (Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 476,347	$ 631,198	$ 478,197
Net loss (income) attributable to noncontrolling interest	377	(729)	(1,242)
Adjustment of redeemable noncontrolling interest to redemption value	(1,771)	(560)	46
Earnings available to common shareholders	$ 474,953	$ 629,909	$ 477,001
Weighted average number of common shares outstanding - basic (in shares)	207,594	223,652	221,504
Effect of dilutive securities
Weighted average number of common shares outstanding - diluted (in shares)	207,947	224,486	222,471
Earnings per share - basic (in dollars per share)	$ 2.29	$ 2.82	$ 2.15
Earnings per share - diluted (in dollars per share)	$ 2.28	$ 2.81	$ 2.14
Restricted stock units
Effect of dilutive securities
Effect of dilutive securities (in shares)	220	535	736
Performance share awards
Effect of dilutive securities
Effect of dilutive securities (in shares)	133	299	230
Stock options
Effect of dilutive securities
Effect of dilutive securities (in shares)	0	0	1