SEGMENTS OF BUSINESS (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 28, 2020	Jun. 28, 2019	Jun. 28, 2020	Jun. 28, 2019	Sep. 27, 2019
Segment Reporting Information [Line Items]
Net sales	$ 138,390	$ 176,253	$ 429,528	$ 458,400
Operating profit (loss)	12,929	28,029	51,524	61,851
Total assets (end of period)	517,609	445,558	517,609	445,558	$ 436,444
Unaffiliated customers \| Fishing
Segment Reporting Information [Line Items]
Net sales	102,542	127,968	335,445	344,746
Operating profit (loss)	23,273	29,672	71,208	75,684
Total assets (end of period)	204,406	173,076	204,406	173,076	153,926
Unaffiliated customers \| Camping
Segment Reporting Information [Line Items]
Net sales	9,653	14,708	25,999	30,044
Operating profit (loss)	828	2,315	1,603	2,048
Total assets (end of period)	35,670	33,401	35,670	33,401	31,525
Unaffiliated customers \| Watercraft Recreation
Segment Reporting Information [Line Items]
Net sales	15,238	12,965	26,104	27,118
Operating profit (loss)	1,181	380	(2,021)	(1,628)
Total assets (end of period)	24,003	22,227	24,003	22,227	14,436
Unaffiliated customers \| Diving
Segment Reporting Information [Line Items]
Net sales	10,694	20,237	41,405	55,845
Operating profit (loss)	(2,595)	1,440	(3,202)	2,156
Total assets (end of period)	63,079	60,431	63,079	60,431	57,682
Interunit transfers
Segment Reporting Information [Line Items]
Net sales	(242)	(299)	(605)	(598)
Interunit transfers \| Fishing
Segment Reporting Information [Line Items]
Net sales	(199)	(228)	(529)	(476)
Interunit transfers \| Camping
Segment Reporting Information [Line Items]
Net sales	(12)	(20)	(29)	(33)
Interunit transfers \| Watercraft Recreation
Segment Reporting Information [Line Items]
Net sales	(29)	(45)	(36)	(68)
Interunit transfers \| Diving
Segment Reporting Information [Line Items]
Net sales	(2)	(6)	(11)	(21)
Other / Corporate
Segment Reporting Information [Line Items]
Net sales	263	375	575	647
Operating profit (loss)	(9,758)	(5,778)	(16,064)	(16,409)
Total assets (end of period)	190,451	156,423	190,451	156,423	$ 178,875
Two Customers
Segment Reporting Information [Line Items]
Net sales	$ 20,433		$ 70,269
One Customer
Segment Reporting Information [Line Items]
Net sales		$ 24,260		$ 78,010