Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Components Of Deferred Tax Assets And Liabilities [Abstract]
Accrued liabilities and reserves	$ 232,898	$ 171,998
Allowance for doubtful accounts	34,124	16,434
Inventory	81,437	62,755
Post-retirement benefits	10,763	12,714
Commodity hedges	243	4,033
Net operating loss carryforward	38,290	63,952
Tax credit carryforwards	172,629	187,267
Other deferred tax assets	11,336	10,674
Valuation allowance	(183,759)	(207,653)
Total deferred tax assets	397,961	322,174
Holdbacks and amounts not due under contracts	(13,956)	(14,051)
Intangibles	(178,304)	(177,061)
Property, plant and equipment	(770,791)	(680,688)
Book/Tax differences on debt modifications	(45,173)	(46,813)
Total deferred tax liabilities	(1,008,224)	(918,613)
Total net deferred tax liabilities	$ (610,263)	$ (596,439)