Dolby Laboratories, Inc.
| 2012 | FY |
Property, plant and equipment are stated at cost less accumulated depreciation. Depreciation is computed using a straight-line method based on estimated useful lives as follows:
Systems and software
3 to 5 years
Machinery and equipment
3 to 8 years
Furniture and fixtures
5 to 8 years
Leasehold improvements
Lesser of useful life or related lease term
Buildings
Up to 40 years
dlb:PropertyPlantAndEquipmentEstimatedUsefulLifeTableTextBlock