| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | clh:AssetsNoncurrentExcludingPropertyPlantAndEquipment | us-gaap:OtherAssetsNoncurrent | 1 |
| 2 | clh:AssetsNoncurrentExcludingPropertyPlantAndEquipment | us-gaap:IntangibleAssetsNetExcludingGoodwill | 1 |
| 3 | clh:AssetsNoncurrentExcludingPropertyPlantAndEquipment | us-gaap:Goodwill | 1 |
(Note that this is a work in progress!)