v3.25.2
Investment in Kronos Worldwide, Inc. - Selected Financial Information of Kronos Balance Sheet (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Schedule Of Equity Method Investments [Line Items]    
Current assets $ 183,688 $ 237,958
Property and equipment, net 23,896 24,026
Other noncurrent assets 931 1,034
Total assets 523,704 578,258
Current liabilities 33,981 91,062
Accrued pension costs 76 76
Other noncurrent liabilities 1,269 6,183
Stockholders' equity 397,582 396,904
Total liabilities and equity 523,704 578,258
Kronos | Reportable Legal Entities    
Schedule Of Equity Method Investments [Line Items]    
Current assets 1,087,600 1,105,300
Property and equipment, net 731,200 694,100
Other noncurrent assets 121,600 114,100
Total assets 1,940,400 1,913,500
Current liabilities 390,200 476,600
Long-term debt 501,400 429,100
Accrued pension costs 127,100 117,500
Other noncurrent liabilities 74,900 73,300
Stockholders' equity 846,800 817,000
Total liabilities and equity $ 1,940,400 $ 1,913,500