Consolidated Statements of Earnings (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 24, 2021	Sep. 25, 2020	Sep. 24, 2021	Sep. 25, 2020
Income Statement [Abstract]
Revenues	$ 486,696	$ 439,316	$ 1,447,989	$ 1,179,775
Cost of Goods and Services Sold	238,462	210,363	688,597	569,662
Gross Profit	248,234	228,953	759,392	610,113
Product development	19,762	17,715	60,739	52,744
Selling, marketing and distribution	66,078	54,009	197,432	160,228
General and administrative	37,795	31,957	114,493	102,322
Impairment	0	267	0	35,229
Operating Earnings	124,599	125,005	386,728	259,590
Interest expense	2,500	2,964	7,456	8,708
Other expense, net	344	1,025	31	5,738
Earnings Before Income Taxes	121,755	121,016	379,241	245,144
Income taxes	17,926	6,901	59,607	29,379
Net Earnings	$ 103,829	$ 114,115	$ 319,634	$ 215,765
Basic earnings per share	$ 0.61	$ 0.68	$ 1.89	$ 1.29
Diluted earnings per share	$ 0.59	$ 0.66	$ 1.83	$ 1.26

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227