Consolidated Statements of Earnings (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Dec. 30, 2023	Dec. 24, 2022
Net sales	$ 348,308	$ 351,343
Cost of goods sold	253,723	260,488
Gross profit	94,585	90,855
Operating Expenses [Abstract]
Marketing	27,472	23,699
Distribution	40,303	42,049
Administrative	18,199	16,391
Other general(income)	(1,072)	(612)
Total operating expenses	84,902	81,527
Operating Income	9,683	9,328
Other income (expense)
Investment income	798	685
Interest expense	(560)	(1,049)
Earnings before income taxes	9,921	8,964
Income tax expense	2,639	2,331
NET EARNINGS	$ 7,282	$ 6,633
Earnings per diluted share (in dollars per share)	$ 0.37	$ 0.34
Weighted average number of diluted shares (in shares)	19,423	19,274
Earnings per basic share (in dollars per share)	$ 0.38	$ 0.35
Weighted average number of basic shares (in shares)	19,344	19,222

The amount of distribution expenses incurred during the period.

No definition available.

Name:	jjsf_Distribution
Namespace Prefix:	jjsf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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.