XML 70 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 30, 2018
Mar. 31, 2017
Dec. 31, 2017
Jan. 10, 2017
Income Taxes [Line Items]        
Statutory tax rate 21.00%   35.00%  
Effective tax rate on income from operations 11.00% 3.10%    
Gain on acquisition of business   $ 26,409    
Deferred tax liability write off   $ 1,400    
Favorable impact on effective tax rate, write off percentage   24.50%    
Additional income tax provision from revaluation of certain deferred tax assets and liabilities at the new tax rate     $ 2,800  
Income tax measurement period under ASU 740 1 year      
Laser Quantum        
Income Taxes [Line Items]        
Percentage of additional shares acquired   35.00%   35.00%
Canada Revenue Agency | CANADA        
Income Taxes [Line Items]        
Statutory tax rate 29.00% 29.00%