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Condensed Consolidated Statements of Income (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 24, 2022
Sep. 30, 2023
Sep. 24, 2022
Income Statement [Abstract]        
Net sales $ 1,277,531 $ 1,140,434 $ 3,745,751 $ 3,553,931
Cost of goods sold 548,962 469,935 1,604,945 1,492,126
Gross profit 728,569 670,499 2,140,806 2,061,805
Advertising expense 35,158 32,888 111,849 110,378
Selling, general and administrative expenses 201,470 189,546 609,800 571,541
Research and development expense 221,572 208,692 667,451 619,215
Total operating expense 458,200 431,126 1,389,100 1,301,134
Operating income 270,369 239,373 751,706 760,671
Other income (expense):        
Interest income 19,803 10,472 54,461 26,520
Foreign currency gains (losses) (11,539) (29,863) 6,946 (55,809)
Other income 938 285 4,206 3,716
Total other income (expense) 9,202 (19,106) 65,613 (25,573)
Income before income taxes 279,571 220,267 817,319 735,098
Income tax provision 22,328 9,419 69,810 54,785
Net income $ 257,243 $ 210,848 $ 747,509 $ 680,313
Net income per share:        
Basic $ 1.34 $ 1.09 $ 3.91 $ 3.53
Diluted $ 1.34 $ 1.09 $ 3.9 $ 3.52
Weighted average common shares outstanding:        
Basic 191,435 192,672 191,409 192,878
Diluted 191,868 193,105 191,772 193,378