| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | us-gaap:ExtendedProductWarrantyAccrual | us-gaap:ExtendedProductWarrantyAccrualCurrent | 2 |
| 2 | us-gaap:ExtendedProductWarrantyAccrual | us-gaap:ExtendedProductWarrantyAccrualNoncurrent | 2 |
(Note that this is a work in progress!)