| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | pds:DeferredIncomeTaxAssets1 | pds:DeferredIncomeTaxAssetsOther | 1 |
| 2 | pds:DeferredIncomeTaxAssets1 | pds:DeferredTaxAssetsLongtermIncentivePlan | 1 |
| 3 | pds:DeferredIncomeTaxAssets1 | pds:DeferredTaxAssetsLosses | 1 |
| 4 | pds:DeferredIncomeTaxAssets1 | pds:DeferredTaxAssetsPartnershipDeferrals | 1 |
(Note that this is a work in progress!)