| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | nsp:Unbilled | us-gaap:UnbilledContractsReceivable | 1 |
| 2 | nsp:Unbilled | us-gaap:CustomerAdvancesCurrent | 1 |
| 3 | nsp:Unbilled | nsp:UnbilledAccruedWorksiteEmployeePayrollCosts | 1 |
(Note that this is a work in progress!)