XML 59 R48.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Dec. 29, 2018
Dec. 30, 2017
Income Taxes        
Provision (benefit) for income taxes $ 4,371 $ 1,970    
Effective income tax rate (as a percent) (19.80%) (14.60%)    
Federal statutory rate (as a percent) 21.00%     35.00%
Gross unrecognized tax benefits $ 2,600      
Gross unrecognized tax benefits which would affect the effective tax rate if recognized 2,000      
Unrecognized tax benefits as a result of a lapse in the statute of limitations 1,500      
Amount of estimated decrease in unrecognized tax benefits 400      
2013 | Norwegian        
Income Taxes        
Adjustments to taxable income excluding interest and penalties $ 30,000      
Forecast | Norwegian        
Income Taxes        
Taxes payable during appeal process     $ 15,000