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Discontinued Operations - Summary of Major Business Line Items Included in Discontinued Operations in Condensed Consolidation Statements of Income/(Loss) and Comprehensive Income/(Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Income from discontinued operations before income taxes		$ 5,084
Income from discontinued operations, net of tax		5,084
Outdoor Products and Accessories Business
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Income from discontinued operations, net of tax	5,100
Spin-off | Outdoor Products and Accessories Business
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net revenues	0	48,080
Cost of sales	0	23,738
Operating expenses	0	17,633
Other income, net	0	84
Income from discontinued operations before income taxes	0	6,793
Income tax expense	0	1,709
Income from discontinued operations, net of tax	$ 0	$ 5,084

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