Description of Business and Summary of Significant Accounting Policies - Schedule of Estimated Useful Lives of Property Plant and Equipment (Detail) |
12 Months Ended |
|---|---|
Dec. 31, 2016 | |
| Minimum | Furniture and Fixtures | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 5 years |
| Minimum | Plant and Machinery | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 5 years |
| Minimum | Building and Leasehold Improvements | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 10 years |
| Maximum | Furniture and Fixtures | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 10 years |
| Maximum | Plant and Machinery | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 30 years |
| Maximum | Building and Leasehold Improvements | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 25 years |