XML 65 R54.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes - (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 01, 2018
Jan. 01, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Jun. 30, 2018
Statutory tax rate (as a percent)   21.00%     35.00%   28.10%
Transition Tax     $ 64,573        
Net impact on U.S. deferred tax assets and liabilities     (8,361)        
Net discrete impacts of the enactment of the Tax Act     56,212        
Foreign earnings expected to be repatriated deferred tax liability     15,000   $ 15,000    
Payment period of transition tax liability         8 years    
Income before income taxes     12,865 $ 6,712 $ 28,010 $ 7,653  
Income tax expense     $ 59,816 $ 1,879 $ 64,804 $ 2,143  
Forecast              
Statutory tax rate (as a percent) 21.00%