XML 51 R39.htm IDEA: XBRL DOCUMENT v3.19.3
Recently issued accounting standards (Details) - USD ($)
$ in Thousands
Sep. 29, 2019
Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Operating lease assets $ 115,193  
Operating lease liabilities $ 124,526  
ASU 2016-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Operating lease assets   $ 105,300
Operating lease liabilities   $ 106,600