Summary of Siginificant Accounting Policies (Details) |
9 Months Ended |
|---|---|
Sep. 30, 2016 | |
| Revenue Recognition | |
| Minimum term of extended warranty contracts sold | 5 years |
| Maximum term of extended warranty contracts sold | 10 years |
| Sale/leaseback transactions | |
| Lease Term | 6 years |
| Minimum | |
| Research and Development. | |
| Cost Sharing Percentages of research and development contracts | 30.00% |
| Maximum | |
| Research and Development. | |
| Cost Sharing Percentages of research and development contracts | 50.00% |