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Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2017
Sep. 30, 2016
Sep. 29, 2017
Sep. 30, 2016
Jan. 10, 2017
Income Taxes [Line Items]          
Effective tax rate on income from operations 11.90% 31.10% 11.60% 30.30%  
Gain on acquisition of business     $ 26,409    
Deferred tax liability write off $ 1,500   $ 1,500    
Favorable impact on effective tax rate, write off percentage     13.70%    
Tax free cash dividend received       $ 2,300  
Favorable impact on effective tax rate, percentage       1.90%  
Laser Quantum          
Income Taxes [Line Items]          
Percentage of additional shares acquired 35.00%   35.00%   35.00%
Canada Revenue Agency | CANADA          
Income Taxes [Line Items]          
Statutory tax rate 29.00% 28.50% 29.00% 28.50%