Share-Based Compensation - Share-based compensation expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	$ 87,672	$ 86,580	$ 69,892
Share based compensation expense, net of tax	76,526	75,667	60,345
Options and SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	11,891	12,316	11,744
Share based compensation expense, net of tax	10,726	10,927	10,388
Restricted Common Shares And Restricted Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	50,278	46,817	41,284
Share based compensation expense, net of tax	42,346	39,349	34,599
Performance Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	21,510	23,696	14,729
Share based compensation expense, net of tax	19,794	21,920	13,380
Employee Share Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense	3,993	3,751	2,135
Share based compensation expense, net of tax	$ 3,660	$ 3,471	$ 1,978