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Estimated Useful Lives of Property and Equipment (Detail)
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9 Months Ended |
|---|---|
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Sep. 30, 2013
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Leasehold Improvements
|
|
| Property, Plant and Equipment [Line Items] | |
| Leasehold improvements | Lesser of lease term or estimated useful life |
|
Minimum | Machinery and Equipment
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, Useful Life | 3 years |
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Minimum | Furniture and Fixtures
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, Useful Life | 5 years |
|
Minimum | Computers And Software
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, Useful Life | 3 years |
|
Maximum | Machinery and Equipment
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, Useful Life | 20 years |
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Maximum | Furniture and Fixtures
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, Useful Life | 7 years |
|
Maximum | Computers And Software
|
|
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, Useful Life | 7 years |