Property and Equipment (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2016 |
Jan. 02, 2016 |
Dec. 27, 2014 |
|
Property and Equipment | |||
Property, Plant and Equipment, Gross | $ 70,779 | $ 69,580 | |
Less: accumulated depreciation | 43,247 | 42,730 | |
Property, Plant and Equipment, Net, Total | 27,532 | 26,850 | |
Depreciation And Amortization [Abstract] | |||
Depreciation | 10,000 | 11,400 | $ 9,200 |
Computer and equipment [Member] | |||
Property and Equipment | |||
Property, Plant and Equipment, Gross | 7,378 | 13,825 | |
Furniture [Member] | |||
Property and Equipment | |||
Property, Plant and Equipment, Gross | 2,906 | 2,441 | |
Machinery [Member] | |||
Property and Equipment | |||
Property, Plant and Equipment, Gross | 9,154 | 7,134 | |
Tooling [Member] | |||
Property and Equipment | |||
Property, Plant and Equipment, Gross | 20,487 | 16,599 | |
Leasehold improvements [Member] | |||
Property and Equipment | |||
Property, Plant and Equipment, Gross | 21,383 | 21,022 | |
Software and Software Development Costs [Member] | |||
Property and Equipment | |||
Property, Plant and Equipment, Gross | $ 9,471 | $ 8,559 |