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Postretirement Benefit Plans - Defined Contribution Plans - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Contribution Plan Disclosure [Line Items]      
Supplemental plan liability balances $ 446,000 $ 2,221,000  
Defined contribution plan expense $ 13,832 13,215 $ 14,142
Percentage of union and non-union employees eligible for either statutory or Company's sponsored profit sharing contributions 85.00%    
Percentage of us based union and non-union employees eligible for either statutory or Company's sponsored profit sharing contributions 100.00%    
Statutory Plans [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Defined contribution plan expense $ 421,000 219,000 $ 1,679,000
Defined Contribution Plans [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Balance of trust assets $ 376,000 $ 2,146,000