| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | us-gaap:GainLossOnSaleOfPropertyPlantEquipment | us-gaap:GainLossOnSaleOfOtherAssets | 1 |
| 2 | us-gaap:GainLossOnSaleOfPropertyPlantEquipment | trn:GainLossonSaleofPropertyPlantandEquipmentRailroadTransportationEquipment | 1 |
(Note that this is a work in progress!)