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Shareholders' Equity - Accumulated Other Comprehensive Income Roll forward (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance $ 2,996,276 $ 3,110,807
Other comprehensive (loss)/income (5,252) 3,200
Ending balance 2,974,834 3,193,492
Cash Flow Hedges    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 17,513  
Other comprehensive income before reclassifications, net of tax 14,779  
Reclassifications from accumulated other comprehensive income, net of tax (5,537)  
Other comprehensive (loss)/income 9,242  
Ending balance 26,755  
Defined Benefit and Retiree Healthcare Plans    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance (28,499)  
Other comprehensive income before reclassifications, net of tax 0  
Reclassifications from accumulated other comprehensive income, net of tax 227  
Other comprehensive (loss)/income 227  
Ending balance (28,272)  
Cumulative Translation Adjustment    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 20,948  
Other comprehensive income before reclassifications, net of tax (14,721)  
Reclassifications from accumulated other comprehensive income, net of tax 0  
Other comprehensive (loss)/income (14,721)  
Ending balance 6,227  
Accumulated Other Comprehensive Income    
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]    
Beginning balance 9,962 (16,264)
Other comprehensive income before reclassifications, net of tax 58  
Reclassifications from accumulated other comprehensive income, net of tax (5,310)  
Other comprehensive (loss)/income (5,252) 3,200
Ending balance $ 4,710 $ (13,064)