Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2023

Net Income Per Share

Schedule of computation of net income per share on a basic and diluted basis

(thousands except per share data)	2023		2022		2021
Net income attributable to shareholders	$	903,505	$	1,426,884	$	1,108,197
Weighted-average shares outstanding - basic		56,359		64,838		72,472
Net effect of various dilutive stock-based compensation awards		676		615		913
Weighted-average shares outstanding - diluted		57,035		65,453		73,385
Net income per share:
Basic	$	16.03	$	22.01	$	15.29
Diluted (a)	$	15.84	$	21.80	$	15.10
(a) Equity awards excluded from diluted net income per share as their effect would have been anti-dilutive		32		53		—