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Note 7 - Segment Reporting - Net Sales by Products and Services (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net sales	$ 887,910	$ 1,135,856
Domestic [Member]
Net sales	704,386	964,674
International [Member]
Net sales	183,524	171,182
Residential Power Products [Member]
Net sales	418,863	776,944
Residential Power Products [Member] | Domestic [Member]
Net sales	381,151	750,327
Residential Power Products [Member] | International [Member]
Net sales	37,712	26,617
Commercial and Industrial Power Products [Member]
Net sales	362,990	278,728
Commercial and Industrial Power Products [Member] | Domestic [Member]
Net sales	228,123	145,737
Commercial and Industrial Power Products [Member] | International [Member]
Net sales	134,867	132,991
Other Products and Services [Member]
Net sales	106,057	80,184
Other Products and Services [Member] | Domestic [Member]
Net sales	95,112	68,610
Other Products and Services [Member] | International [Member]
Net sales	$ 10,945	$ 11,574

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-URI https://asc.fasb.org//1943274/2147482810/280-10-50-42

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-URI https://asc.fasb.org//1943274/2147482810/280-10-50-41

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-URI https://asc.fasb.org//1943274/2147479806/606-10-50-4

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