SEGMENTS OF BUSINESS (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017	Sep. 29, 2017
Segment Reporting Information [Line Items]
Net sales	$ 165,778	$ 149,807	$ 282,357	$ 243,536
Operating profit (loss)	26,002	20,458	33,039	20,930
Total assets (end of period)	383,926	342,302	383,926	342,302	$ 353,659
Operating segments
Segment Reporting Information [Line Items]
Operating profit (loss)	(4,906)	(4,549)	(9,681)	(8,639)
Operating segments \| Fishing
Segment Reporting Information [Line Items]
Net sales	125,355	105,329	214,200	172,379
Operating profit (loss)	30,762	22,838	44,827	30,031
Total assets (end of period)	203,735	186,108	203,735	186,108	128,706
Operating segments \| Camping
Segment Reporting Information [Line Items]
Net sales	10,075	11,370	15,912	17,098
Operating profit (loss)	302	1,011	(422)	239
Total assets (end of period)	28,594	25,508	28,594	25,508	32,652
Operating segments \| Watercraft Recreation
Segment Reporting Information [Line Items]
Net sales	10,789	15,070	15,138	21,278
Operating profit (loss)	(170)	847	(1,314)	49
Total assets (end of period)	27,360	31,946	27,360	31,946	20,222
Operating segments \| Diving
Segment Reporting Information [Line Items]
Net sales	19,366	17,894	36,799	32,597
Operating profit (loss)	14	311	(371)	(750)
Total assets (end of period)	62,191	51,920	62,191	51,920	58,190
Operating segments \| Other / Corporate
Segment Reporting Information [Line Items]
Net sales	193	144	308	184
Total assets (end of period)	62,046	46,820	62,046	46,820	$ 113,889
Interunit transfers
Segment Reporting Information [Line Items]
Net sales	(181)	(249)	(265)	(476)
Interunit transfers \| Fishing
Segment Reporting Information [Line Items]
Net sales	151	95	213	116
Interunit transfers \| Camping
Segment Reporting Information [Line Items]
Net sales	7	5	16	12
Interunit transfers \| Watercraft Recreation
Segment Reporting Information [Line Items]
Net sales	19	17	27	26
Interunit transfers \| Diving
Segment Reporting Information [Line Items]
Net sales	4	$ 132	9	$ 322
One Customer
Segment Reporting Information [Line Items]
Net sales	$ 30,450		$ 49,280

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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