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Note 7. Property, Plant, and Equipment Property, Plant, and Equipment (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | $ 9,272.6 | $ 9,105.6
Less accumulated depreciation, including partially-owned subsidiaries of $599.0 and $568.4 | 2,385.8 | 2,258.7
Property, Plant and Equipment, Net | 6,886.8 | 6,846.9
Manufacturing Facility, Non-Operating [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment, Net | 2.6 |
Intersegment Eliminations [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | (1,050.7) | (1,047.3)
NegativeAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | 287.4 | 268.2
Property, Plant and Equipment, Net | (763.3) | (779.1)
Railcar Leasing and Management Services Group [Member] | Operating Segments [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment, Net | 7,309.4 | 7,276.7
Manufacturing and Corporate [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 823.9 | 828.0
Less accumulated depreciation, including partially-owned subsidiaries of $599.0 and $568.4 | 483.2 | 478.7
Property, Plant and Equipment, Net | 340.7 | 349.3
Manufacturing and Corporate [Member] | Land [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 15.7 | 17.4
Manufacturing and Corporate [Member] | Building and Building Improvements [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 384.6 | 377.4
Manufacturing and Corporate [Member] | Machinery and Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 405.5 | 415.1
Manufacturing and Corporate [Member] | Construction in Progress [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 18.1 | 18.1
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Operating Segments [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 7,269.0 | 7,082.0
Less accumulated depreciation, including partially-owned subsidiaries of $599.0 and $568.4 | 1,480.9 | 1,375.9
Property, Plant and Equipment, Net | 5,788.1 | 5,706.1
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Operating Segments [Member] | Machinery and Equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 21.7 | 20.7
Wholly Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Operating Segments [Member] | Railcars on Lease [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 7,247.3 | 7,061.3
Partially-Owned Subsidiaries [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 1,917.6 | 1,927.7
Less accumulated depreciation, including partially-owned subsidiaries of $599.0 and $568.4 | 599.0 | 568.4
Partially-Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Operating Segments [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment, Net | 1,521.3 | 1,570.6
Partially-Owned Subsidiaries [Member] | Railcar Leasing and Management Services Group [Member] | Operating Segments [Member] | Railcars on Lease [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, plant, and equipment, at cost, including partially-owned subsidiaries of $1,917.6 and $1,927.7 | 2,230.4 | 2,242.9
Less accumulated depreciation, including partially-owned subsidiaries of $599.0 and $568.4 | $ 709.1 | $ 672.3

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