XML 92 R78.htm IDEA: XBRL DOCUMENT v3.6.0.2
Income Taxes - Textual (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Operating Loss Carryforwards [Line Items]        
Excess benefits due to stock option exercise $ 200      
Excess tax benefits recorded to additional paid in capital 100      
Change in amount of operating loss carryforwards valuation allowance (25,800) $ 1,600    
Decrease in valuation allowance for deferred tax assets 27,400      
Undistributed earnings from non-U.S. operations 3,700      
Maximum amount company recognize from unrecognized tax benefit 6,477 $ 6,961 $ 6,442 $ 4,436
Unrecognized tax benefits that would impact effective tax rate if recognized 3,700      
California [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards 26,700      
State research and experimental tax credit carryforward 7,800      
California [Member] | Excess Tax Benefit Related to Exercise of Stock Option [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards 3,100      
State research and experimental tax credit carryforward 200      
Foreign Tax Authority [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards 31,800      
Foreign Tax Authority [Member] | Excess Tax Benefit Related to Exercise of Stock Option [Member]        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards 1,300      
Federal [Member]        
Operating Loss Carryforwards [Line Items]        
State research and experimental tax credit carryforward $ 8,600