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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($)
$ in Thousands
Total
Ordinary shares
Additional Paid-in Capital
Other Undenominated Capital
Accumulated Other Comprehensive Loss
Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021   81,554,683        
Beginning balance at Dec. 31, 2021 $ 8,066,827 $ 6,640 $ 6,733,910 $ 1,134 $ (90,937) $ 1,416,080
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 111,970         111,970
Exercise of share options (in shares)   84,090        
Exercise of share options 7,497 $ 6 7,491      
Issue of restricted share units / performance share units (in shares)   74,769        
Issue of restricted share units / performance share units 4 $ 4        
Non-cash stock compensation expense 18,840   18,840      
Share issuance costs (3)   (3)      
Share repurchase program (in shares)   420,530        
Share repurchase program (99,983) $ (28)   28   (99,983)
Share repurchase costs 17         17
Other comprehensive loss, net of tax (35,818)       (35,818)  
Ending balance (in shares) at Mar. 31, 2022   81,293,012        
Ending balance at Mar. 31, 2022 8,069,317 $ 6,622 6,760,238 1,162 (126,755) 1,428,050
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 115,734         115,734
Exercise of share options (in shares)   75,671        
Exercise of share options 7,653 $ 4 7,649      
Issue of restricted share units / performance share units (in shares)   157,924        
Issue of restricted share units / performance share units 11 $ 11        
Non-cash stock compensation expense 19,478   19,478      
Other comprehensive loss, net of tax (66,180)       (66,180)  
Ending balance (in shares) at Jun. 30, 2022   81,526,607        
Ending balance at Jun. 30, 2022 $ 8,146,013 $ 6,637 6,787,365 1,162 (192,935) 1,543,784
Beginning balance (in shares) at Dec. 31, 2022 81,723,555 81,723,555        
Beginning balance at Dec. 31, 2022 $ 8,497,963 $ 6,649 6,840,306 1,162 (171,538) 1,821,384
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 116,654         116,654
Exercise of share options (in shares)   136,649        
Exercise of share options 12,936 $ 9 12,927      
Issue of restricted share units / performance share units (in shares)   68,218        
Issue of restricted share units / performance share units 4 $ 4        
Non-cash stock compensation expense 14,658   14,658      
Share issuance costs (4)   (4)      
Other comprehensive loss, net of tax 11,642       11,642  
Ending balance (in shares) at Mar. 31, 2023   81,928,422        
Ending balance at Mar. 31, 2023 $ 8,653,853 $ 6,662 6,867,887 1,162 (159,896) 1,938,038
Beginning balance (in shares) at Dec. 31, 2022 81,723,555 81,723,555        
Beginning balance at Dec. 31, 2022 $ 8,497,963 $ 6,649 6,840,306 1,162 (171,538) 1,821,384
Ending balance (in shares) at Jun. 30, 2023 82,151,049 82,151,049        
Ending balance at Jun. 30, 2023 $ 8,796,440 $ 6,676 6,891,494 1,162 (156,528) 2,053,636
Beginning balance (in shares) at Mar. 31, 2023   81,928,422        
Beginning balance at Mar. 31, 2023 8,653,853 $ 6,662 6,867,887 1,162 (159,896) 1,938,038
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 115,598         115,598
Exercise of share options (in shares)   93,304        
Exercise of share options 7,229 $ 6 7,223      
Issue of restricted share units / performance share units (in shares)   129,323        
Issue of restricted share units / performance share units 8 $ 8        
Non-cash stock compensation expense 16,389   16,389      
Share issuance costs (5)   (5)      
Other comprehensive loss, net of tax $ 3,368       3,368  
Ending balance (in shares) at Jun. 30, 2023 82,151,049 82,151,049        
Ending balance at Jun. 30, 2023 $ 8,796,440 $ 6,676 $ 6,891,494 $ 1,162 $ (156,528) $ 2,053,636