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Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Schedule of Property, Plant and Equipment Useful Lives

Land is not depreciated. Depreciation on fixed assets is computed using the straight-line method over their estimated useful lives, as follows:

 

Buildings

      33 years  

Facilities and leasehold improvements

      5-10 years  

Machinery and equipment

      3-10 years  

Computer and R&D equipment

      3-6 years  

Other

      2-5 years