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Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Deferred tax assets:    
Pension liability $ 17,439 $ 11,931
Accrued warranty expense 1,641 1,694
Capitalized Section 174 expenditures 23,800 11,145
Accrued vacation pay 3,103 3,246
Accrued liabilities for self-insurance (including postretirement health care benefits) 0 17
Accrued liabilities for executive and employee incentive compensation 13,784 12,475
Environmental and products liabilities 20,576 20,983
Lease liabilities 4,860 5,298
Investments in joint ventures and affiliated companies 224 1,494
Long-term contracts 13,363 14,442
Accrued payroll taxes 0 2,504
U.S. federal tax credits and loss carryforward 7,055 7,113
U.S. state tax credits and loss carryforward 7,935 4,731
Foreign tax credit and loss carryforward 22,869 20,209
Other 2,018 2,719
Gross deferred tax assets 138,667 120,001
Valuation allowance for deferred tax assets (17,421) (13,022)
Total deferred tax assets 121,246 106,979
Deferred tax liabilities:    
Property, plant and equipment 85,661 75,334
Right-of-use lease assets 11,550 12,246
Accrued liabilities for self-insurance (including postretirement health care benefits) 341 0
Intangibles 21,976 22,404
Total deferred tax liabilities 119,528 109,984
Net deferred tax assets $ 1,718  
Net deferred liabilities   $ (3,005)