Consolidated Statements of Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jun. 25, 2021	Jul. 01, 2022	Jun. 25, 2021
Income Statement [Abstract]
Revenues	$ 548,547	$ 507,164	$ 1,042,832	$ 961,293
Cost of Goods and Services Sold	279,487	243,340	519,297	450,135
Gross Profit	269,060	263,824	523,535	511,158
Product development	19,967	21,406	39,045	40,977
Selling, marketing and distribution	62,076	69,126	125,071	131,354
General and administrative	38,337	39,449	82,376	76,698
Operating Earnings	148,680	133,843	277,043	262,129
Interest expense	1,726	2,528	7,013	4,956
Other expense, net	607	(434)	760	(313)
Earnings Before Income Taxes	146,347	131,749	269,270	257,486
Income taxes	28,969	21,631	51,049	41,681
Net Earnings	$ 117,378	$ 110,118	$ 218,221	$ 215,805
Basic earnings per share	$ 0.69	$ 0.65	$ 1.29	$ 1.27
Diluted earnings per share	$ 0.68	$ 0.63	$ 1.26	$ 1.24