XML 315 R47.htm IDEA: XBRL DOCUMENT v3.24.0.1
Summary of Significant Accounting Policies - Estimated Useful Life of Property, Plant and Equipment (Detail)
Dec. 31, 2023
Machinery, equipment and tooling | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Machinery, equipment and tooling | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 15 years
SmartSystems | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
SmartSystems | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 15 years
Vehicles | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Vehicles | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Furniture and fixtures | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 3 years
Furniture and fixtures | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 10 years
Plant and buildings | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 5 years
Plant and buildings | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 15 years
Real estate properties | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 10 years
Real estate properties | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 40 years
Railroad and sidings  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 30 years
Land and land improvements  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 10 years
Deferred stripping costs | Minimum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 1 year
Deferred stripping costs | Maximum  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, useful life 9 years