XML 70 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions - Zentri (Details) - USD ($)
$ in Thousands
Jan. 20, 2017
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Purchase price allocation        
Goodwill   $ 397,344 $ 288,227 $ 276,130
Zentri        
Acquisitions        
Purchase price of acquisition $ 18,100      
Cash consideration 14,300      
Potential additional consideration with estimated fair value 3,800      
Purchase price allocation        
Intangible assets 6,700      
Goodwill 12,100      
Other net liabilities $ 700