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General (Details) - 2.00% Senior Notes due January 14, 2022
$ in Thousands
6 Months Ended
Jun. 27, 2020
USD ($)
Jun. 29, 2019
USD ($)
Jun. 09, 2015
EUR (€)
Debt Instrument [Line Items]      
Aggregate principal amount of debts | €     € 500,000,000
Interest rate percentage 2.00%   2.00%
Increase (decrease) in debt value $ 942 $ (3,578)  
Increase (decrease) in debt value, net of taxes $ 716 $ (2,718)