XML 63 R50.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Dec. 29, 2018
Dec. 30, 2017
Additional Income Taxes (Textual) [Abstract]        
Provision for income taxes $ 5,284 $ 5,923    
Excess Tax Benefit of Stock-Based Compensation, Component of Provision for Income Taxes 8,700      
United States statutory federal income tax rate       35.00%
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount $ 2,600      
Scenario, Forecast [Member]        
Additional Income Taxes (Textual) [Abstract]        
United States statutory federal income tax rate     21.00%