Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Net Sales	$ 1,558,829	$ 1,380,656	$ 1,144,579
Cost of goods sold	1,088,964	1,011,014	845,651
Gross Profit	469,865	369,642	298,928
Operating Expenses [Abstract]
Marketing and selling	110,258	91,636	77,922
Distribution	172,804	159,637	108,297
Administrative	75,425	55,189	40,538
Intangible asset impairment charges	1,678	1,010	1,273
Other expense (income)	182	371	(320)
Total operating expenses	360,347	307,843	227,710
Operating Income	109,518	61,799	71,218
Other income (expenses)
Investment income	2,743	980	2,815
Interest expense	(4,747)	(1,025)	(7)
Earnings before income taxes	107,514	61,754	74,026
Income taxes	28,608	14,519	18,419
NET EARNINGS	$ 78,906	$ 47,235	$ 55,607
Earnings per diluted share (in dollars per share)	$ 4.08	$ 2.46	$ 2.91
Weighted average number of diluted shares (in shares)	19,324	19,213	19,133
Earnings per basic share (in dollars per share)	$ 4.1	$ 2.47	$ 2.92
Weighted average number of basic shares (in shares)	19,257	19,148	19,013