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Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Sep. 27, 2020
Sep. 29, 2019
Statement of Comprehensive Income [Abstract]        
Tax effect on cash flow hedges $ 0 $ 0 $ 0 $ 0
Tax effect of unrealized gain (loss) on available-for-sale investments 2,855 (5) 1,067 502
Tax effect of foreign currency translation adjustment $ 0 $ 0 $ 0 $ 0