Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2020	Oct. 31, 2019	Jul. 31, 2019
Goodwill [Line Items]
Beginning Balance	$ 182,267	$ 182,267	$ 182,269
Adjustments	0	0	(2)
Ending Balance	182,267	182,267	182,267
Firearms Segment
Goodwill [Line Items]
Beginning Balance	19,024	19,024	19,024
Adjustments	0	0
Ending Balance	19,024	19,024	19,024
Outdoor Products & Accessories Segment
Goodwill [Line Items]
Beginning Balance	163,243	163,243	163,245
Adjustments	0	0	(2)
Ending Balance	$ 163,243	$ 163,243	$ 163,243

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460

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