Postretirement Benefit Plans - Defined Contribution Plans - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Contribution Plan Disclosure [Line Items]
Supplemental plan liability balances	$ 2,221	$ 1,853
Defined contribution plan expense	$ 13,215	14,142	$ 12,030
Percentage of union and non-union employees eligible for either statutory or Company's sponsored profit sharing contributions	77.00%
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	$ 219	1,679	$ 935
Defined Contribution Plans [Member]
Defined Contribution Plan Disclosure [Line Items]
Balance of trust assets	$ 2,146	$ 1,778