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Note 6 - Segment Reporting - Net Sales by Products and Services (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net sales	$ 942,121	$ 889,273
Residential Power Products [Member]
Net sales	494,152	428,950
Commercial and Industrial Power Products [Member]
Net sales	337,372	353,970
Other Products and Services [Member]
Net sales	110,597	106,353
Domestic [Member]
Net sales	774,642	712,337
Domestic [Member] | Residential Power Products [Member]
Net sales	473,291	412,153
Domestic [Member] | Commercial and Industrial Power Products [Member]
Net sales	206,145	206,493
Domestic [Member] | Other Products and Services [Member]
Net sales	95,206	93,691
International [Member]
Net sales	167,479	176,936
International [Member] | Residential Power Products [Member]
Net sales	20,861	16,797
International [Member] | Commercial and Industrial Power Products [Member]
Net sales	131,227	147,477
International [Member] | Other Products and Services [Member]
Net sales	$ 15,391	$ 12,662

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.

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