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Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total accumulated other comprehensive loss, net of tax $ (1,083,656) $ (964,548) $ (872,827) $ (606,582) $ (437,705) $ (499,717)
Total accumulated other comprehensive loss, net of tax            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total accumulated other comprehensive loss, net of tax (63,307) $ (64,479) (65,731) $ (75,945) $ (77,823) $ (80,287)
Defined benefit pension and other postretirement benefit plans            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total accumulated other comprehensive loss, net of tax (73,311)   (73,746)      
Unrealized foreign currency translation gain            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total accumulated other comprehensive loss, net of tax 9,115   5,257      
Unrealized gain on interest rate swaps            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total accumulated other comprehensive loss, net of tax 3,046   4,577      
Share of other comprehensive loss of equity method investments            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Total accumulated other comprehensive loss, net of tax $ (2,157)   $ (1,819)